A Glycemic index (GI) is basically a ranking system of our carbohydrates that describes how quickly your food will influence your blood sugar level.
This GI tool gives an idea of the rate of absorption and digestion of your carbohydrates.
The GI has been classified in three categories - low, medium and high GI.
The high glycemic index foods are quickly broken down in your intestine and cause a rapid spike in blood sugar levels after consumption.
The moderate glycemic index foods get broken slightly slow in your intestine than high GI. These foods may also spike your blood sugar but not instantly.
Low-GI foods are best for your health if you want to stay healthy and lean.
The purpose of a low GI diet is to provide sustained energy levels and prevent the instant rise of blood glucose levels.
Low GI foods do not spike your blood sugar. Because of this, they reduce the risk of having diabetes.
The glycemic index only tells what food increases blood glucose but fails to describe how much food we should take at a particular time.
Therefore, Glycemic Index is not a perfect system but a helpful tool for calculating glycemic load.
Glycemic load gives a more accurate picture of your food. It describes the effect of a specific amount of carbohydrates on blood glucose levels.
Overall, glycemic load minimizes the limitation of glycemic index.
Groundwater is a common problem in mining that requires control through planned dewatering programs. Successful dewatering requires hydrogeological assessment and selecting the appropriate technique, such as in-pit pumping, perimeter dewatering wells, or slope depressurization drains. Dewatering provides benefits like improved safety and efficiency through more stable slopes and dry working conditions.
1) A pumping test was conducted where a well was pumped at 2500 m3/day and drawdowns were measured in an observation well 60 m away at various times.
2) The transmissivity and storativity of the confined aquifer were estimated using the Theis and Cooper-Jacob methods in AquiferTest software by analyzing the linear relationship between the logarithm of time and drawdown.
3) The accuracy of the aquifer parameter estimates depends on maintaining a constant pumping rate and measuring drawdowns at appropriate time intervals in multiple observation wells.
This document discusses techniques for measuring stream flow. There are two main categories of measurement: direct determination using area-velocity methods, dilution techniques, electromagnetic and ultrasonic methods; and indirect determination using hydraulic structures like weirs, flumes and gates or slope-area methods. Velocity is an important aspect measured using current meters, which are the most commonly used instruments. Current meters consist of rotating cups or propellers connected to mechanisms that count revolutions to determine flow velocity. Floating objects can also be used to estimate surface velocities. Accurate stream flow measurement is important for hydrologic studies.
This document discusses different methods for constructing water wells. Shallow wells less than 15 meters deep can be dug, bored, driven or jetted. Deeper wells are typically drilled using cable tool, rotary, air rotary, or rotary-percussion methods. After drilling, wells need to be completed by adding casing, cementing, screens, and sometimes gravel packs. Finally, wells are developed to increase their water yield and service life.
This document discusses two types of sedimentation processes: plain sedimentation and sedimentation with coagulation. Plain sedimentation involves separating impurities from water through natural gravitational forces alone, without chemical additives. This process lightens the load on subsequent treatment steps and reduces costs. Sedimentation occurs as particles heavier than water settle out due to gravity. Sedimentation tanks come in various shapes and sizes, and different zones exist within the tanks. Aeration is discussed as well, including its purposes and different aerator types like cascade, spray, and air diffusers. Design criteria and an example calculation for sedimentation tank sizing is also provided.
Sedimentation tanks allow suspended solids in liquid to settle out under gravity. Particles settle to the bottom and are removed by scrapers. Slowing the flow rate or bubbling air causes floccules to settle or float, forming sludge blankets that filter out smaller particles. Sedimentation tanks have four zones - inlet, outlet, settling, and sludge. Tanks are designed based on operation type (fill and draw or continuous flow), location (primary or secondary), and shape (circular, rectangular, or hopper bottom). Design guidelines specify detention time, flow velocity, dimensions, and slopes. Rectangular tanks are large capacity while circular tanks are used for small to medium applications and constant flows.
Measurement of discharge in channels & Design of lined canalJaswinder Singh
This document discusses various methods for measuring discharge in channels and designing lined canals. It describes selecting sites for discharge observations and factors to consider like straight reaches and stable sections. Common discharge measurement methods are outlined, including the area-velocity method, weir method, chemical method, and Venturi flume method. The area-velocity method involves dividing the cross-section into parts, measuring the area and velocity of each, and calculating total discharge. Other detailed methods covered are surface floats, velocity rods, current meters, and Cippoletti weirs.
This document discusses the key forces acting on a gravity dam, including its weight, water pressure, uplift pressure, silt pressure, wave pressure, and earthquake forces. It defines key terms like structural height, maximum base width, and hydraulic height. It also provides details on how to calculate or estimate the various forces, for example explaining that water pressure acts normal to the face of the dam and can be calculated based on horizontal and vertical components. Uplift pressure is defined as the upward pressure of water seeping through the dam or its foundation. Earthquake forces cause random vibrations that impart accelerations to the dam's foundation.
Groundwater is a common problem in mining that requires control through planned dewatering programs. Successful dewatering requires hydrogeological assessment and selecting the appropriate technique, such as in-pit pumping, perimeter dewatering wells, or slope depressurization drains. Dewatering provides benefits like improved safety and efficiency through more stable slopes and dry working conditions.
1) A pumping test was conducted where a well was pumped at 2500 m3/day and drawdowns were measured in an observation well 60 m away at various times.
2) The transmissivity and storativity of the confined aquifer were estimated using the Theis and Cooper-Jacob methods in AquiferTest software by analyzing the linear relationship between the logarithm of time and drawdown.
3) The accuracy of the aquifer parameter estimates depends on maintaining a constant pumping rate and measuring drawdowns at appropriate time intervals in multiple observation wells.
This document discusses techniques for measuring stream flow. There are two main categories of measurement: direct determination using area-velocity methods, dilution techniques, electromagnetic and ultrasonic methods; and indirect determination using hydraulic structures like weirs, flumes and gates or slope-area methods. Velocity is an important aspect measured using current meters, which are the most commonly used instruments. Current meters consist of rotating cups or propellers connected to mechanisms that count revolutions to determine flow velocity. Floating objects can also be used to estimate surface velocities. Accurate stream flow measurement is important for hydrologic studies.
This document discusses different methods for constructing water wells. Shallow wells less than 15 meters deep can be dug, bored, driven or jetted. Deeper wells are typically drilled using cable tool, rotary, air rotary, or rotary-percussion methods. After drilling, wells need to be completed by adding casing, cementing, screens, and sometimes gravel packs. Finally, wells are developed to increase their water yield and service life.
This document discusses two types of sedimentation processes: plain sedimentation and sedimentation with coagulation. Plain sedimentation involves separating impurities from water through natural gravitational forces alone, without chemical additives. This process lightens the load on subsequent treatment steps and reduces costs. Sedimentation occurs as particles heavier than water settle out due to gravity. Sedimentation tanks come in various shapes and sizes, and different zones exist within the tanks. Aeration is discussed as well, including its purposes and different aerator types like cascade, spray, and air diffusers. Design criteria and an example calculation for sedimentation tank sizing is also provided.
Sedimentation tanks allow suspended solids in liquid to settle out under gravity. Particles settle to the bottom and are removed by scrapers. Slowing the flow rate or bubbling air causes floccules to settle or float, forming sludge blankets that filter out smaller particles. Sedimentation tanks have four zones - inlet, outlet, settling, and sludge. Tanks are designed based on operation type (fill and draw or continuous flow), location (primary or secondary), and shape (circular, rectangular, or hopper bottom). Design guidelines specify detention time, flow velocity, dimensions, and slopes. Rectangular tanks are large capacity while circular tanks are used for small to medium applications and constant flows.
Measurement of discharge in channels & Design of lined canalJaswinder Singh
This document discusses various methods for measuring discharge in channels and designing lined canals. It describes selecting sites for discharge observations and factors to consider like straight reaches and stable sections. Common discharge measurement methods are outlined, including the area-velocity method, weir method, chemical method, and Venturi flume method. The area-velocity method involves dividing the cross-section into parts, measuring the area and velocity of each, and calculating total discharge. Other detailed methods covered are surface floats, velocity rods, current meters, and Cippoletti weirs.
This document discusses the key forces acting on a gravity dam, including its weight, water pressure, uplift pressure, silt pressure, wave pressure, and earthquake forces. It defines key terms like structural height, maximum base width, and hydraulic height. It also provides details on how to calculate or estimate the various forces, for example explaining that water pressure acts normal to the face of the dam and can be calculated based on horizontal and vertical components. Uplift pressure is defined as the upward pressure of water seeping through the dam or its foundation. Earthquake forces cause random vibrations that impart accelerations to the dam's foundation.
Cross drainage works irrigation engineeringAnuj Kumar
The document discusses cross drainage works, which are structures constructed where canals cross natural drainages like rivers or streams. There are three main types of cross drainage works:
1. Type I where the canal passes over the drainage (e.g. aqueduct or siphon aqueduct).
2. Type II where the drainage passes over the canal (e.g. super passage or siphon super passage).
3. Type III where the drainage and canal intersect at the same level (e.g. level crossing or inlet and outlet).
The selection of the type of cross drainage work depends on factors like relative bed levels, foundation conditions, cost, and hydraulic considerations. The document also
This document discusses methods for estimating water demand variations and design population for water supply projects. It provides the following key points:
1. Water demand varies seasonally, daily, and hourly. Maximum daily demand is typically 180% of average daily demand. Peak hourly demand is 2.7 times the average daily demand.
2. Several methods are described to estimate design population, including arithmetic, geometric, logistic, and ratio growth models. Arithmetic growth assumes a constant growth rate while geometric growth rates are proportional to the current population.
3. Design periods for water infrastructure typically range from 5 to 100 years depending on the type of system. Dams and tunnels use longer 50 year design periods while wells and distribution mains
Lead and Lift
Computation of Earthwork
Cross Section Area with no transverse slope
Calculation of Quantities of earthwork FOR
Mid Section Formula, - MeanSection Formula, - Prismoidal Formula
Mass Haul Diagram
Reservoir sedimentation & its controlZahinRana
This document discusses reservoir sedimentation and its control. It begins with an introduction that defines a reservoir as an enlarged natural or artificial lake or pond created by a dam to store water. It then explains that reservoirs experience sedimentation as rivers carry sediment from erosion that is deposited in the reservoir, reducing its storage capacity over time. The document outlines the types of sediment as suspended or bed load. It lists the causes of sedimentation as the nature of catchment soils, vegetation cover, topography, rainfall intensity and land cultivation. Finally, it discusses methods to control sedimentation such as proper design, sediment control structures, and sediment removal.
Sedimentation is an effective techniques involved for treatment of waste water . Various sedimentation techniques are employed world wide for the purpose.
Plain sedimentation is the simplest technique involving quiescent settling or storage of water, such as would take place in a reservoir, lake, or basin, without the aid of chemicals, preferably for a month or longer, particularly if the source water is a sewage-polluted river water.
This presentation covers various plain sedimentation tanks & design considerations of the same .
If you like it ,Please press the thumb up button & donot forget to give your feedback in comments section, it would be extremely valuable . Any query ? Feel free to post in comments section. All the best ! Enjoy !
- Grit chambers are used to remove grit (heavy inorganic solids like sand and gravel) from wastewater to protect equipment.
- There are three main types of grit chambers: horizontal flow, aerated, and vortex. Horizontal flow uses gravity settling, aerated uses air to create spiral flow, and vortex uses tangential inflow to induce a vortex.
- Grit chamber design considers the settling velocity and size of grit particles. Parameters like detention time, number of units, flow velocity, and loss of head are also designed.
- Cleared grit is collected manually or mechanically, then disposed of through dumping, burying, or landfilling. Odorous grit should be buried.
Presentation on Determination of Penetration & Specific Gravity Test of BitumenAbu Taher
Group 8 conducted experiments to determine the penetration and specific gravity of bitumen. They found that the bitumen sample had a penetration of 30.67 mm, indicating it was a grade 30-40 bitumen suitable for road construction in warmer regions like Bangladesh. The specific gravity was determined to be 1.027, close to the expected range of 1.03-1.06 for bituminous material. In conclusion, the sample's properties met specifications for use in road construction.
There are three main modes of failure for earthen dams: hydraulic failure (40%), seepage failure (30%), and structural failure (30%). Hydraulic failures are caused by overtopping, erosion of the downstream toe, or erosion of the upstream or downstream face. Seepage failures occur through concentrated seepage paths that erode soil and cause piping. Structural failures happen due to shear slides in the embankment or foundation, or issues with construction and maintenance such as overly steep slopes. Earthquakes can also induce failures through cracking, overtopping, settlement, shear slides, or liquefaction.
This document discusses different types of canal lining materials and their advantages. It states that lining canals reduces water losses through seepage and prevents waterlogging of adjacent lands. It allows for smaller canal dimensions since lined canals have lower resistance to flow. Lining also reduces maintenance needs like silt removal and bank repairs. Common lining materials described include cement concrete, shotcrete, precast concrete, brick and various earth linings. Cement concrete lining provides excellent hydraulic properties but has high costs. Shotcrete and cement mortar linings use large amounts of cement. Brick lining allows for easy repair and is hydraulically efficient. Lining improves water conservation and irrigation capacity but requires heavy initial investment.
This document discusses the importance and methods of highway drainage systems. It explains that highway drainage aims to remove excess surface water and control subsoil water levels to prevent issues like subgrade failure and pavement deterioration. Surface drainage is achieved through cross slopes, ditches, inlets, storm sewers, and culverts to divert water away. Subsurface drainage uses subsurface drains to intercept groundwater and prevent changes in subgrade moisture content. Proper drainage design is an essential part of highway construction.
Canals are classified into different types based on factors which are as follows :
Based on the nature of the supply source
Based on functions
Based on the type of boundary surface soil
Based on the financial output
Based on discharge
Based on canal alignment
This document discusses balancing depth in canal design, canal lining, and design principles for lined canals. It defines balancing depth as the depth where the amount of cut material equals the amount of fill material. It lists advantages of canal lining such as reducing seepage losses and maintenance costs. Design principles for lined canals include selecting economical cross-sectional shapes based on discharge and using side slopes of 1:1 or 1.25:1 that are stable for the soil. Input data includes discharge, roughness, slopes, and maximum velocity, and output data includes breadth and depth calculated using Manning's equation.
Physical Unit Operation-Screening, Grit Removal,EqualizationYash Patel
The document discusses various physical unit operations used in wastewater treatment - screening, grit removal, and equalization. It provides details on:
- Screening processes to remove large solids and protect downstream equipment. Common screen types and their design criteria are described.
- Grit removal in channels and chambers to settle out sand and grit, outlined removal methods and typical grit quantities.
- Flow equalization to reduce flow variations and achieve constant flow rates for downstream treatment.
This document discusses various methods for measuring stream flow. There are direct and indirect methods. Direct methods like area-velocity measure discharge by determining the cross-sectional area and average velocity. Indirect methods relate discharge to easily measured water level/stage using structures or the slope-area method with Manning's equation. Accurate stage measurements are important for estimating discharge from stage-discharge curves developed through direct measurements.
Index properties of soil provide information about engineering properties like permeability and shear strength without requiring expensive testing. For coarse-grained soils, key index properties are particle size distribution and relative density, while for fine-grained soils they are consistency and Atterberg limits. Particle size distribution is determined through sieve analysis for coarser particles and sedimentation analysis for finer particles. It is presented as a grading curve showing the percentage of particles finer than each size. Well-graded soils have a wide range of particle sizes while poorly-graded soils are mostly one size.
The document discusses causes of failure for weirs and barrages built on permeable foundations, including piping/undermining, uplift pressure, hydraulic jump, and scouring. It explains that piping occurs when water percolates through the foundation and erodes soil particles, creating a hollow channel. Uplift pressure from percolating water can also cause failure if the structure's weight cannot counterbalance it. Hydraulic jump and high-velocity surface flow can produce suction pressures and scour soil. The document recommends increasing the seepage path using sheet piles, increasing floor thickness to resist uplift, and using energy dissipaters and filters to prevent soil loss and structural failure.
This document provides an overview of reservoir planning and surveys. It discusses the different types of reservoirs and surveys conducted in reservoir planning, including reconnaissance, preliminary, and detailed surveys. Key steps in reservoir planning include engineering, hydrological, and geological surveys to identify suitable dam sites and storage capacity. Control levels like top bund level, high flood level, and full tank level are also discussed. Factors affecting silting and methods to control silting are outlined. The document provides details on various stages of reservoir planning and development.
The document discusses several common methods for population forecasting used in urban planning and design of water works, including:
- Arithmetical increase method which assumes a constant population increase over time, generally providing lower estimates.
- Geometrical increase method which assumes a constant percentage increase, providing higher estimates as the percentage rarely remains constant.
- Incremental increase method which combines arithmetical and geometrical by using actual census data on population changes.
- Decrease rate method which models decelerating growth approaching a saturation population based on practical constraints.
- Graphical methods which plot past population data and extend trends to forecast future populations based on comparisons to other similar cities.
The document discusses the design of hydraulic structures and spillways. It defines a spillway as a structure used to safely release water from a dam. The key components of a spillway are the approach facility, discharging conduit, and outlet structure. Seven common types of spillways are described: straight drop, ogee, shaft, chute, side channel, siphon, and labyrinth. Advantages include safely discharging large volumes of water to prevent dam overtopping. Energy dissipation methods at the spillway end such as steps, flip buckets, and stilling basins are also outlined to prevent erosion. Safety measures around spillway operation are mentioned.
1. The document discusses the glycemic index (GI) and glycemic load (GL), which are measures of how foods affect blood glucose levels. The GI ranks carbohydrates based on their effect on blood glucose, while GL considers both the quality and quantity of carbs.
2. Eating low GI and GL foods is associated with health benefits like lower blood glucose, cholesterol, weight, and risk of heart disease and diabetes. Factors like fiber, fat, and cooking method influence a food's GI ranking.
3. The document provides examples of low and high GI meals and snacks and recommends focusing on a balanced, well-portioned diet including low GI carbs.
Cross drainage works irrigation engineeringAnuj Kumar
The document discusses cross drainage works, which are structures constructed where canals cross natural drainages like rivers or streams. There are three main types of cross drainage works:
1. Type I where the canal passes over the drainage (e.g. aqueduct or siphon aqueduct).
2. Type II where the drainage passes over the canal (e.g. super passage or siphon super passage).
3. Type III where the drainage and canal intersect at the same level (e.g. level crossing or inlet and outlet).
The selection of the type of cross drainage work depends on factors like relative bed levels, foundation conditions, cost, and hydraulic considerations. The document also
This document discusses methods for estimating water demand variations and design population for water supply projects. It provides the following key points:
1. Water demand varies seasonally, daily, and hourly. Maximum daily demand is typically 180% of average daily demand. Peak hourly demand is 2.7 times the average daily demand.
2. Several methods are described to estimate design population, including arithmetic, geometric, logistic, and ratio growth models. Arithmetic growth assumes a constant growth rate while geometric growth rates are proportional to the current population.
3. Design periods for water infrastructure typically range from 5 to 100 years depending on the type of system. Dams and tunnels use longer 50 year design periods while wells and distribution mains
Lead and Lift
Computation of Earthwork
Cross Section Area with no transverse slope
Calculation of Quantities of earthwork FOR
Mid Section Formula, - MeanSection Formula, - Prismoidal Formula
Mass Haul Diagram
Reservoir sedimentation & its controlZahinRana
This document discusses reservoir sedimentation and its control. It begins with an introduction that defines a reservoir as an enlarged natural or artificial lake or pond created by a dam to store water. It then explains that reservoirs experience sedimentation as rivers carry sediment from erosion that is deposited in the reservoir, reducing its storage capacity over time. The document outlines the types of sediment as suspended or bed load. It lists the causes of sedimentation as the nature of catchment soils, vegetation cover, topography, rainfall intensity and land cultivation. Finally, it discusses methods to control sedimentation such as proper design, sediment control structures, and sediment removal.
Sedimentation is an effective techniques involved for treatment of waste water . Various sedimentation techniques are employed world wide for the purpose.
Plain sedimentation is the simplest technique involving quiescent settling or storage of water, such as would take place in a reservoir, lake, or basin, without the aid of chemicals, preferably for a month or longer, particularly if the source water is a sewage-polluted river water.
This presentation covers various plain sedimentation tanks & design considerations of the same .
If you like it ,Please press the thumb up button & donot forget to give your feedback in comments section, it would be extremely valuable . Any query ? Feel free to post in comments section. All the best ! Enjoy !
- Grit chambers are used to remove grit (heavy inorganic solids like sand and gravel) from wastewater to protect equipment.
- There are three main types of grit chambers: horizontal flow, aerated, and vortex. Horizontal flow uses gravity settling, aerated uses air to create spiral flow, and vortex uses tangential inflow to induce a vortex.
- Grit chamber design considers the settling velocity and size of grit particles. Parameters like detention time, number of units, flow velocity, and loss of head are also designed.
- Cleared grit is collected manually or mechanically, then disposed of through dumping, burying, or landfilling. Odorous grit should be buried.
Presentation on Determination of Penetration & Specific Gravity Test of BitumenAbu Taher
Group 8 conducted experiments to determine the penetration and specific gravity of bitumen. They found that the bitumen sample had a penetration of 30.67 mm, indicating it was a grade 30-40 bitumen suitable for road construction in warmer regions like Bangladesh. The specific gravity was determined to be 1.027, close to the expected range of 1.03-1.06 for bituminous material. In conclusion, the sample's properties met specifications for use in road construction.
There are three main modes of failure for earthen dams: hydraulic failure (40%), seepage failure (30%), and structural failure (30%). Hydraulic failures are caused by overtopping, erosion of the downstream toe, or erosion of the upstream or downstream face. Seepage failures occur through concentrated seepage paths that erode soil and cause piping. Structural failures happen due to shear slides in the embankment or foundation, or issues with construction and maintenance such as overly steep slopes. Earthquakes can also induce failures through cracking, overtopping, settlement, shear slides, or liquefaction.
This document discusses different types of canal lining materials and their advantages. It states that lining canals reduces water losses through seepage and prevents waterlogging of adjacent lands. It allows for smaller canal dimensions since lined canals have lower resistance to flow. Lining also reduces maintenance needs like silt removal and bank repairs. Common lining materials described include cement concrete, shotcrete, precast concrete, brick and various earth linings. Cement concrete lining provides excellent hydraulic properties but has high costs. Shotcrete and cement mortar linings use large amounts of cement. Brick lining allows for easy repair and is hydraulically efficient. Lining improves water conservation and irrigation capacity but requires heavy initial investment.
This document discusses the importance and methods of highway drainage systems. It explains that highway drainage aims to remove excess surface water and control subsoil water levels to prevent issues like subgrade failure and pavement deterioration. Surface drainage is achieved through cross slopes, ditches, inlets, storm sewers, and culverts to divert water away. Subsurface drainage uses subsurface drains to intercept groundwater and prevent changes in subgrade moisture content. Proper drainage design is an essential part of highway construction.
Canals are classified into different types based on factors which are as follows :
Based on the nature of the supply source
Based on functions
Based on the type of boundary surface soil
Based on the financial output
Based on discharge
Based on canal alignment
This document discusses balancing depth in canal design, canal lining, and design principles for lined canals. It defines balancing depth as the depth where the amount of cut material equals the amount of fill material. It lists advantages of canal lining such as reducing seepage losses and maintenance costs. Design principles for lined canals include selecting economical cross-sectional shapes based on discharge and using side slopes of 1:1 or 1.25:1 that are stable for the soil. Input data includes discharge, roughness, slopes, and maximum velocity, and output data includes breadth and depth calculated using Manning's equation.
Physical Unit Operation-Screening, Grit Removal,EqualizationYash Patel
The document discusses various physical unit operations used in wastewater treatment - screening, grit removal, and equalization. It provides details on:
- Screening processes to remove large solids and protect downstream equipment. Common screen types and their design criteria are described.
- Grit removal in channels and chambers to settle out sand and grit, outlined removal methods and typical grit quantities.
- Flow equalization to reduce flow variations and achieve constant flow rates for downstream treatment.
This document discusses various methods for measuring stream flow. There are direct and indirect methods. Direct methods like area-velocity measure discharge by determining the cross-sectional area and average velocity. Indirect methods relate discharge to easily measured water level/stage using structures or the slope-area method with Manning's equation. Accurate stage measurements are important for estimating discharge from stage-discharge curves developed through direct measurements.
Index properties of soil provide information about engineering properties like permeability and shear strength without requiring expensive testing. For coarse-grained soils, key index properties are particle size distribution and relative density, while for fine-grained soils they are consistency and Atterberg limits. Particle size distribution is determined through sieve analysis for coarser particles and sedimentation analysis for finer particles. It is presented as a grading curve showing the percentage of particles finer than each size. Well-graded soils have a wide range of particle sizes while poorly-graded soils are mostly one size.
The document discusses causes of failure for weirs and barrages built on permeable foundations, including piping/undermining, uplift pressure, hydraulic jump, and scouring. It explains that piping occurs when water percolates through the foundation and erodes soil particles, creating a hollow channel. Uplift pressure from percolating water can also cause failure if the structure's weight cannot counterbalance it. Hydraulic jump and high-velocity surface flow can produce suction pressures and scour soil. The document recommends increasing the seepage path using sheet piles, increasing floor thickness to resist uplift, and using energy dissipaters and filters to prevent soil loss and structural failure.
This document provides an overview of reservoir planning and surveys. It discusses the different types of reservoirs and surveys conducted in reservoir planning, including reconnaissance, preliminary, and detailed surveys. Key steps in reservoir planning include engineering, hydrological, and geological surveys to identify suitable dam sites and storage capacity. Control levels like top bund level, high flood level, and full tank level are also discussed. Factors affecting silting and methods to control silting are outlined. The document provides details on various stages of reservoir planning and development.
The document discusses several common methods for population forecasting used in urban planning and design of water works, including:
- Arithmetical increase method which assumes a constant population increase over time, generally providing lower estimates.
- Geometrical increase method which assumes a constant percentage increase, providing higher estimates as the percentage rarely remains constant.
- Incremental increase method which combines arithmetical and geometrical by using actual census data on population changes.
- Decrease rate method which models decelerating growth approaching a saturation population based on practical constraints.
- Graphical methods which plot past population data and extend trends to forecast future populations based on comparisons to other similar cities.
The document discusses the design of hydraulic structures and spillways. It defines a spillway as a structure used to safely release water from a dam. The key components of a spillway are the approach facility, discharging conduit, and outlet structure. Seven common types of spillways are described: straight drop, ogee, shaft, chute, side channel, siphon, and labyrinth. Advantages include safely discharging large volumes of water to prevent dam overtopping. Energy dissipation methods at the spillway end such as steps, flip buckets, and stilling basins are also outlined to prevent erosion. Safety measures around spillway operation are mentioned.
1. The document discusses the glycemic index (GI) and glycemic load (GL), which are measures of how foods affect blood glucose levels. The GI ranks carbohydrates based on their effect on blood glucose, while GL considers both the quality and quantity of carbs.
2. Eating low GI and GL foods is associated with health benefits like lower blood glucose, cholesterol, weight, and risk of heart disease and diabetes. Factors like fiber, fat, and cooking method influence a food's GI ranking.
3. The document provides examples of low and high GI meals and snacks and recommends focusing on a balanced, well-portioned diet including low GI carbs.
The document discusses glycemic index (GI), a method of classifying foods based on their effect on blood glucose levels. Foods that breakdown quickly during digestion have a high GI, while foods that breakdown slowly, releasing glucose gradually, have a low GI. To determine a food's GI rating, its effect on blood glucose levels over 2 hours is measured in healthy individuals and compared to a standard food. Common foods and their GI values are provided, and factors like fiber, fat, and cooking methods that affect a food's GI are explained. Tips to lower the overall GI of daily meals include choosing whole grains, fruits and vegetables, and combining high and low GI foods.
For more information, visit https://www.timberlandmedical.com
This presentation is by Dr LO SIAW PING, a visiting dietician at Timberland Medical Centre
Timberland Medical Centre is a private hospital that has been in operation since 1994. We are strategically located at the 3rd Mile roundabout on Jalan Rock, Kuching, Sarawak, East Malaysia. Our hospital is 10 minutes from the Kuching International Airport and 15 minutes from the Central Bus Terminal. We continually seek to improve and upgrade our services and facilities, as we strive to provide the best medical care for our patients and customers.
The document discusses the Glycemic Index, which ranks foods based on how quickly they raise blood sugar levels after consumption. A high GI means blood sugar rises quickly, while a low GI means it rises slowly and stays steady. High GI foods break down rapidly, causing blood sugar fluctuations, while low GI foods break down slowly for stable blood sugar levels. However, a low GI food is not necessarily nutritious if it contains unhealthy ingredients like saturated fat or lacks nutrients. An overall balanced diet and exercise are most important for health.
The document discusses the Glycemic Index, which ranks foods based on how quickly they raise blood sugar levels after consumption. A high GI means blood sugar rises quickly, while a low GI means it rises slowly and stays steady. High GI foods break down rapidly, causing blood sugar fluctuations, while low GI foods break down slowly for stable blood sugar levels. However, a low GI food is not necessarily nutritious if it contains unhealthy ingredients like saturated fat or lacks nutrients. An overall balanced diet and exercise are most important for health.
People with diabetes are advised to include carbohydrate foods at every meal to manage their blood glucose levels. Both the amount and type of carbohydrate eaten affects blood glucose, so it is important to consider foods' glycemic index which indicates how quickly carbohydrates are broken down. Eating lower glycemic index foods can help reduce fluctuations in blood glucose levels and lower health risks. When shopping, the Glycemic Index Symbol identifies foods tested to have a low glycemic index and meet nutritional guidelines.
The document discusses the glycemic index (GI), a rating system for foods containing carbohydrates based on their effect on blood sugar levels. Foods are classified as having a low, medium, or high GI based on how quickly they raise blood sugar. A low GI diet has various health benefits such as better management of diabetes, weight control, heart health, and sustained energy. Specific low GI foods are recommended over high GI foods to realize these benefits. Examples of low and high GI foods and their ratings are provided.
Glycaemic Index A Practical Measure For Maintaining A Healthy DietGeoffreyOsullivan
An overview of methods to determine the effect of increased blood glucose after eating certain foods and linking this to desease risk and improved health
This document provides information about prediabetes and strategies for preventing type 2 diabetes. It discusses that prediabetes affects 86 million Americans and puts them at risk for developing diabetes. Lifestyle changes like modest weight loss through diet and exercise can help delay the onset of diabetes by 58% for those with prediabetes. The document then outlines various dietary approaches like carbohydrate counting and meal planning to help manage blood glucose levels and prevent diabetes.
Driven by the alarming statistics of diabetes and the predicament of diabetics, ‘Overra Foods’ startup team sought to provide solutions that would help people relish the restricted regular food, Sugar and Sweets without much fear.
Living with diabetes and making healthy food choices iiKarenKramser
This document provides information on making healthy food choices for people with diabetes. It emphasizes that what you eat makes a big difference for both type 1 and type 2 diabetes. For type 1 diabetes, tracking carbohydrate intake helps determine insulin needs, while for type 2 diabetes, medication, weight control, exercise and diet help manage blood sugar levels. It recommends choosing low-fat, high-fiber carbohydrates and being cautious of refined sweets. Fiber-rich whole foods should replace low-fiber options. Meals should incorporate protein, vegetables and fruits, and small amounts of whole grains. Healthy snacks can help stabilize blood sugar between meals. Both glycemic index and glycemic load are mentioned to explain the impact of
This document discusses medical nutrition therapy for diabetes. It outlines the major components of diabetes treatment as management of diabetes through nutrition recommendations and interventions. It describes expected outcomes of medical nutrition therapy for diabetes such as reductions in A1C and LDL-C. The document discusses nutrition therapy strategies for type 1 and type 2 diabetes, including carbohydrate intake, fiber, sweeteners, and glycemic index. It provides guidelines on integrating insulin therapy with dietary and activity patterns and adjusting insulin doses based on carbohydrate intake.
This document provides information about carbohydrates and managing blood glucose levels for people with diabetes. It defines carbohydrates and explains why people with diabetes need to pay attention to foods containing carbs. The document outlines blood glucose and A1C targets and recommends how many carb choices or grams of carbs people should aim to eat per meal and snack depending on their gender. It provides tips for reading food labels to count carbs and examples of common foods and their carb amounts.
1) The document discusses glucose and insulin levels after eating, explaining that glucose levels rise after eating carbohydrates and insulin helps regulate these levels by transporting glucose to cells.
2) It provides information on the glycemic index, which ranks foods based on how quickly they raise blood sugar levels, with high GI foods spiking levels quickly and low GI foods doing so slowly and steadily.
3) While low GI diets can improve health outcomes like blood sugar control, one must still eat a balanced diet with various nutrients, not just low GI foods, and exercise regularly for optimal health benefits.
Established in 2007, Overra Herbals aims to provide healthy and tasty food products for diabetics and general wellness. Their team of experts in nutrition, food technology, and medicine research and develop low glycemic index products. Their manufacturing facilities are certified for quality. Overra focuses on innovation using natural ingredients like herbs and whole grains to control blood sugar and support heart health. Their signature low GI sugar and flour products can be used across foods while maintaining taste. As diabetes is a growing global health issue, Overra strives to empower people through scientifically validated healthy food options.
Driven by the alarming statistics of diabetes and the predicament of diabetics, ‘Overra Foods’ startup team sought to provide solutions that would help people relish the restricted regular food, Sugar and Sweets without much fear.
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1. Know Glycemic Index of Indian Foods for
Diabetes Reversal: non-pharmacological
management of Diabetes
Posted By SUMIT SHARMA
Contents
● Introduction
● What does glycemic index mean, and why is it important in Diabetes?
● Which Indian foods have a high glycemic index?
● What foods are a moderate glycemic index?
● Which Indian food has a lowest glycemic index?
● What are the limitations of glycemic index? Why is the glycemic index sometimes misleading?
● How to overcome the limitation of glycemic index?
● What Indian food is OK for Diabetics?
2. 1. Glycemic load of watermelon
2. Glycemic load of mango
3. Glycemic load of banana
4. Glycemic load of Paneer
● Conclusion
● FAQ
Q 1. What foods have a 0 glycemic index?
Q 2. Can I eat Banana if I have Diabetes?
Q 3. Is papaya low glycemic?
Q 4. Is pomegranate low glycemic?
Q 5. Is guava good for diabetes?
Introduction
Diabetes cases have been increasing in recent times. In India, the major culprit of
diabetes is to consuming refined carbohydrates. So, it is essential to understand the
glycemic index of Indian foods.
Carbohydrates are considered a base of Indian foods. They are powerful stimulants
for insulin secretion that causes insulin resistance.
We all know that insulin resistance is the main reason for developing diabetes.
3. Should we stop eating carbohydrates?
Everyone needs carbohydrates, but it doesn’t mean we should eat anything in our
food.
Our body is designed to eat good and healthy nutrients.
All carbohydrates are not similar. Some are a good source of carbs, and some are
bad carbs.
Good carbs are also called complex carbohydrates, whereas bad carbs are called
simple carbohydrates.
Simple carbohydrates are easily digestible and absorbable, which spikes your
blood sugar level. On the contrary, complex carbohydrates are slowly digestible
and absorbable that do not spike your blood sugar level.
A glycemic index is a tool that tells what else carbohydrate makes your blood
sugar rise or decrease.
Using the glycemic index, you can find your best carbohydrate to control diabetes.
Therefore, it is essential to know everything about glycemic index, and we should
also understand what low glycemic index of Indian foods that controls diabetes
mellitus.
Let the article be started.
4. What does glycemic index mean, and why is it important
in Diabetes?
A Glycemic index (GI) is basically a ranking system of our carbohydrates that
describes how quickly your food will influence your blood sugar level.
Let me explain in a nutshell.
The GI does not present in fat and protein. It is present in carbohydrates, giving
information only about carbohydrate food.
Whatever we eat carbohydrates in our daily routine, it gets converted into glucose.
Eventually, we get energy in the form of ATP.
Those carbohydrates are quickly digested and absorbed; they shoot up your blood
sugar, which is bad for diabetes mellitus.
While some carbohydrates are good for diabetes and they do not spike your blood
sugar level.
This GI tool gives an idea of the rate of absorption and digestion of your
carbohydrates.
The concept of GI was introduced in 1981 by David J. Jenkins and co-workers to
control Diabetes.
According to a study of NCBI, the GI represents the scale from 0 to 100, and it has
been classified into three categories –
Glycemic Index Range
Less than 55 Low Glycemic Index
5. 56 to 69 Moderate Glycemic Index
More than 70 High Glycemic Index
6. Which Indian foods have a high glycemic index?
The high glycemic index foods are quickly broken down in your intestine and
cause a rapid spike in blood sugar levels after consumption.
This elevated PPBS (postprandial blood sugar) level is unsuitable for your health.
These carbohydrates have more than 70 GI values.
Many observational studies suggest high GI foods are strongly associated with
diabetes mellitus, obesity, coronary heart disease and cancer.
Sometimes, these high-GI foods can be beneficial to those who need instant
energy. For example, athletes, dancers, sportspeople and hypoglycaemia
conditions.
Let’s see the high Glycemic Index chart of Indian foods –
High Glycemic Index Chart of Indian foods (>70 GI)
7. S. No. Food Items GI value
1. Glycemic Index of maltodextrin 95
2. Glycemic Index of instant mashed Potato 88
3. Glycemic Index of Corn Flakes 85
4. Glycemic Index of Jaggery 84
5. Glycemic Index of boiled Potato 82
6. Glycemic Index of White Bread 81
7. Glycemic Index of Regular White Rice (waxy
or sticky rice after cooking)
79
8. Glycemic Index of Watermelon 72
9. Glycemic Index of Naan (white floor) 71
10. Glycemic Index of Sweet Potato 70
8. 11. Glycemic Index of Biscuits and Cookies 70
Here, Maltodextrin is used as a food additive in many products, including
processed foods, sauces, beverages, and sports drinks.
As far as the waxy rice is concerned, they have a high amount of amylopectin and
a low amount of amylose. This high amylopectin is not suitable for health that
spikes blood sugar levels.
What foods are a moderate glycemic index?
The moderate glycemic index foods get broken slightly slow in your intestine than
high GI. These foods may also spike your blood sugar but not instantly.
They have glycemic numbers ranging from 56 to 69. There are some examples of
moderate GI foods –
Moderate Glycemic Index Chart of
Indian foods (56 to 69 GI)
S.
No.
Food Items GI
value
1. Glycemic Index
of Pineapple
59
9. 2. Glycemic Index
of Papaya
60
3. Glycemic Index
of Sugary soft
drinks
60
4. Glycemic Index
of Honey
60
5. Glycemic Index
of Whole wheat
chapati
62
6. Glycemic Index
of Corn Chips
63
7. Glycemic Index
of Table Sugar
65
8. Glycemic Index
of Pumpkin
65
9. Glycemic Index
of Suji
66
10. 10. Glycemic Index
of Hamburger
66
Which Indian food has a lowest glycemic index?
If you are taking high-GI foods, you must stop and think! Is it the right food for
you or not?
You might choose moderate GI foods but should always prefer low GI foods.
Low-GI foods are best for your health if you want to stay healthy and lean.
The purpose of a low GI diet is to provide sustained energy levels and prevent the
instant rise of blood glucose levels.
Low GI foods do not spike your blood sugar. Because of this, they reduce the risk
of having diabetes.
Moreover, a low GI food may also be beneficial in certain conditions –
● Decrease risk of heart disease and stroke
● Increase sensitivity of Insulin receptors
● Decrease obesity or maintain a healthy weight
● Control your appetite
● Control your cholesterol level (↓ LDL & ↑ HDL level)
● Resolve your acne problems
11. Here, I have mentioned the low glycemic index of Indian foods in different
categories –
Table 1
Low Glycemic Index Chart of Fruits (<55 GI)
S. No. Food Items GI value
1. Glycemic Index of Guava 12-24
2. Glycemic Index of Cherry 20
3. Glycemic Index of Pomegranate 35
4. Glycemic Index of Pear 38
5. Glycemic Index of Apple 39
6. Glycemic Index of Orange & Plum 40
7. Glycemic Index of Peach 42
8. Glycemic Index of Banana 51
12. 9. Glycemic Index of Mango, Grapes and
Blueberries
53
10. Glycemic Index of Custard Apple 54
Table 2
Low Glycemic Index Chart of Grains (<55 GI)
S.No. Food Items GI value
1. Glycemic Index of Indian Pulses 8 to 51
2. Glycemic Index of cooked Bulgur (Dalia) 46
3. Glycemic Index of Multigrain Bread 48
4. Glycemic Index of Wholegrain Basmati rice
(long grain varieties)
50 to 58
5. Glycemic index of sweet corn 52
13. 6. Glycemic Index of Brown Rice 55
7. Glycemic Index of Jowar Roti (Sorghum) <55
8. Glycemic Index of Poha <55
Here, Brown rice and long-grain white basmati rice have a high amount of amylose
and a low amount of amylopectin. This ratio is good for Diabetes.
Table 3
Low Glycemic Index Chart of Vegetables (<55 GI)
S. No. Food Items GI value
1. Glycemic Index of Cauliflower, Cabbage,
Cucumber, radish and Broccoli
15
2. Glycemic Index of Lady Finger 20
3. Glycemic Index of Tomato, Carrots, and
Beetroot
30
14. Table 4
Low Glycemic Index Chart of Dairy Products (<55 GI)
S.No. Food Items GI value
1. Glycemic Index of Plain Yogurt 14
2. Glycemic Index of Milk 30 to 37
3. Glycemic Index of low-fat Vanilla Ice
cream
46
Click here – Low glycemic Index Indian foods List PDF
What are the limitations of glycemic index? Why is the
glycemic index sometimes misleading?
Having a low GI doesn’t mean the food is nutrient-dense or healthy.
GI tool is only used to measure the glycemic response (PPBS level) after
consuming carbohydrate-containing foods. There will be no GI of foods that do not
contain carbs.
GI tool is not always 100% accurate.
15. Because GI does not tell us the quantity of carbohydrates means how much
carbohydrates we should take in our meal.
Suppose a food has a very low GI; it does not mean we keep eating for a whole
day.
Let’s understand with an example –
If you see the nutritional values of Chinese noodles. It has a low GI (35), but it
contains very high carbs (67 g) in 100 g noodles.
This food indicates a low GI food can have high carbs. Eating a large portion of a
low-GI meal can also increase your blood sugar level.
Similarly, a high-GI food can have a low amount of carbs.
For example, watermelon has a high GI (72) but contains much fewer carbs (7 g in
100 g watermelon). Watermelon fruit contains 92% water.
Instead of having a high GI of watermelon, Diabetes people can eat watermelon
because it contains significantly fewer carbs.
Thus, GI theories are not giving clarity because it does not reflect the quantity of
carbs.
Another limitation is that it does not describe the insulin production in our body,
which can be measured by the insulin index.
Moreover, several factors influence the value of glycemic index –
1. Ripening
Excess ripped fruit may have high GI. For example, the GI of Banana fruit goes up
as they start ripening.
● Banana (green, unripe) – Low GI
● Banana (ripe, yellow) – Medium GI
16. ● Banana (overripe, brown) – High GI
2. Processing or cooking
GI of carbs may be altered in processed food. Overcooking may also increase the
GI of food. The longer you cook food or starches like pasta. Then, GI will be
higher.
For example,
Unprocessed food (e.g., boiled sweet corn) has a low GI. While roasting or baking
foods (e.g., crisp potatoes) will be a high GI.
3. Particle size
Fruit juice has a high GI rather than complete fruit. For example, the whole orange
fruit has a low GI. While GI can be increased in orange juice.
4. Varieties of food
Brown rice or long-grain basmati rice has a low GI, whereas regular waxy white
rice has a high GI.
How to overcome the limitation of glycemic index?
Researchers have found the Glycemic Load formula to address the limitation of
glycemic index.
This Glycemic load (GL) tool tells how much carbohydrate will raise blood sugar
levels. In short, it describes the quantity and quality of food.
17. To calculate glycemic load, you must know the glycemic index and carbohydrate
content of a particular portion of food. Then, you need to multiply its carbohydrate
content by its glycemic index and divide by 100.
Glycemic Load (GL) = GI of carbs X amount of carbs (g)/100
According to a study, the glycemic load has been classified into three categories –
Glycemic Load Range
Low Glycemic Load 0 to 10
Medium Glycemic load 11 to 19
High Glycemic load 20 and over
18. What Indian food is OK for Diabetics?
If you have diabetes, you need to select your food by yourself.
To manage Diabetes, you still need a healthy meal plan that includes protein and
fat.
The glycemic load tool is the best way to find your food to manage diabetes.
It would always be better to consider a low glycemic load of food in your diabetic
diet because it does not increase your blood glucose.
Glycemic load tells what food is good for you and how much you should take in
your diet. Low GL is a safe range. You should keep your food in less than 10 GL
range.
Diabetes people are always in a dilemma about what food and how much food we
should take.
Let’s take examples of some foods and calculate their GL value.
1. Glycemic load of watermelon
To calculate the GL of watermelon, you will require to know the glycemic index
and carbohydrate content of a particular portion of watermelon.
Suppose we have taken 100 gm watermelon, and its carbohydrate content is 8 g.
The glycemic index of watermelon is 72.
It would help if you put these values in the glycemic load formula.
19. Glycemic Load (GL) = GI of watermelon x carbs content of 100 g watermelon
/100
= 72 x 8/100
= 5.7 (low GL)
Here, you have seen that the glycemic load is around 5 (low GL) of 100 gm
watermelon, which is safe in diabetes.
2. Glycemic load of mango
In India, the Mango fruit has also been controversial when discussing this fruit in
Diabetes.
Let’s know the truth and find out the glycemic load of mango.
Glycemic Load (GL) = GI of mango x carbs content of 100 gm mango /100
20. = 52 x 15
= 7.8 (low GL)
You can see the glycemic load of 100 g mango is around 8, which is considered a
low GL range.
There will be no spike in blood glucose levels if you consume up to 100 grams of
mango daily.
3. Glycemic load of banana
Bananas are a healthy addition to a balanced diet for people with Diabetes when
eaten in moderation.
Glycemic Load (GL) = GI of Banana x carbs content of 100 g banana /100
21. = 51 x 23/100
= 11.73 (moderate GL)
If you consume Banana in moderation or less than 100 g, then it will not spike your
blood sugar level.
4. Glycemic load of Paneer
If you see the nutritional value of Paneer, it contains –
● Low glycemic index
● High protein
● High fat
22. ● Negligible carbohydrates
The glycemic index of Paneer is 30. If you take 100 g paneer, you will get 4 g
carbohydrates.
Glycemic Load (GL) = GI of Paneer x carbs content of 100 g Paneer /100
= 30 x 4/100
23. = 1.2 (Very low GL)
So, Paneer is an excellent food choice for diabetes because it does not shoot up
blood glucose.
Similarly, you can find the GL value of any food and consider it in your diet to
control Diabetes.
Conclusion
We have seen the different categories of Glycemic Index of Indian Foods.
The glycemic index only tells what food increases blood glucose but fails to
describe how much food we should take at a particular time.
Therefore, Glycemic Index is not a perfect system but a helpful tool for calculating
glycemic load.
Glycemic load gives a more accurate picture of your food. It describes the effect of
a specific amount of carbohydrates on blood glucose levels.
Overall, glycemic load minimizes the limitation of glycemic index.
If you have diabetes, you should keep your food in the low glycemic load category.
I hope you found this article informative. It will help to reverse your Diabetes.
FAQ
Q 1. What foods have a 0 glycemic index?
The glycemic index is absent in foods that do not contain carbohydrates, such as
oil, fish, chicken, meats, etc.
24. Q 2. Can I eat Banana if I have Diabetes?
The glycemic load of a Banana is 11, which is moderate GL. You can add banana
fruit to your diabetic diet in moderation.
Q 3. Is papaya low glycemic?
The glycemic index of Papaya is 60, which is moderate GI. It is absolutely safe in
diabetes because if you calculate the glycemic load of 100 g papaya, then it would
be around 4 (low GL).
Q 4. Is pomegranate low glycemic?
Yes. The glycemic index of pomegranate is 35, which is low GI and carbohydrate
content of 100 g pomegranate is 17g. If you calculate glycemic load of
pomegranante, it would be around 6 (low GL).
Q 5. Is guava good for diabetes?
Yes. Guava can be a great fruit choice in diabetes. The glycemic index of guava is
18 and carbs content of 100 g guava is 14 g. If you calculate glycemic load of
guava, it would be around 2 (low GL).