This document discusses carbohydrates and sugars. It notes that carbohydrates are a macronutrient that provides energy and are found in many foods. Carbohydrates can be classified as sugars, starches, or fiber. Sugars include monosaccharides like glucose and fructose, disaccharides like sucrose, and polysaccharides. The document provides recommendations for carbohydrate intake and discusses the metabolism, health effects, and safety of various sugars.
Fat usually means any ester of fatty acids or mixture of such compounds most commonly those that occur in living beings or in food. Fat is used as the fatty components of foods and diet. Fats are best known members of a chemical group called the lipids.
Content
Classification
Functions
Sources
Digestion
Absorption
Deficiency and disorders of lipids
Essential fatty acid
Role of omega-3 & omega 6 fatty acids in physiological disorders
References
Fat usually means any ester of fatty acids or mixture of such compounds most commonly those that occur in living beings or in food. Fat is used as the fatty components of foods and diet. Fats are best known members of a chemical group called the lipids.
Content
Classification
Functions
Sources
Digestion
Absorption
Deficiency and disorders of lipids
Essential fatty acid
Role of omega-3 & omega 6 fatty acids in physiological disorders
References
Carbohydrates classification, biochemical properties, isomerism and qualitati...AnjaliKR3
A detailed study of the biochemistry of carbohydrates. Classification of carbohydrates is explained in detailed. Isomerism and qualitative tests are presented with results.
The food exchange list refers to the food items on each list which may be substituted with any other food item on the same list. A grouping of commonly consumed foods according to similarities in composition so that the foods may be used interchangeably in diet planning.
Digestion & absorption of carbohydrate.pptxABHIJIT BHOYAR
The goal of carbohydrate digestion is to break down all disaccharides and complex carbohydrates into monosaccharides for absorption, although not all are completely absorbed in the small intestine (e.g., fiber). Digestion begins in the mouth with salivary amylase released during the process of chewing.
INTRODUCTION
“Carbohydrates” When people hear this word
the first thing comes to their mind is “weight gain”. Many weight loss plans which captured the attention of public are designed with less carbs as a result more groups of people believe that carbohydrates are inherently bad.
Carbohydrates are the chief source of energy
Provide 40- 85% of food energy in different population
Used for oxidation of fates
Also for the synthesis of certain non-essential amino acid
OCCURRENCE
Carbohydrates get synthesized by plant through the process of photosynthesis .Each plant is a complex food factory that takes water from soil,carbon dioxide from the air and energy from the sun to make glucose, a simple sugar that later convert into starch.In animals it is stored as glycogen in the liver and muscles.
Starch and glycogen are stored in the form of polysaccharide. Carbohydrates also have a structural role ,particularly in cell membrane as a component of glycoprotien and glycolipids.
Carbohydrates classification, biochemical properties, isomerism and qualitati...AnjaliKR3
A detailed study of the biochemistry of carbohydrates. Classification of carbohydrates is explained in detailed. Isomerism and qualitative tests are presented with results.
The food exchange list refers to the food items on each list which may be substituted with any other food item on the same list. A grouping of commonly consumed foods according to similarities in composition so that the foods may be used interchangeably in diet planning.
Digestion & absorption of carbohydrate.pptxABHIJIT BHOYAR
The goal of carbohydrate digestion is to break down all disaccharides and complex carbohydrates into monosaccharides for absorption, although not all are completely absorbed in the small intestine (e.g., fiber). Digestion begins in the mouth with salivary amylase released during the process of chewing.
INTRODUCTION
“Carbohydrates” When people hear this word
the first thing comes to their mind is “weight gain”. Many weight loss plans which captured the attention of public are designed with less carbs as a result more groups of people believe that carbohydrates are inherently bad.
Carbohydrates are the chief source of energy
Provide 40- 85% of food energy in different population
Used for oxidation of fates
Also for the synthesis of certain non-essential amino acid
OCCURRENCE
Carbohydrates get synthesized by plant through the process of photosynthesis .Each plant is a complex food factory that takes water from soil,carbon dioxide from the air and energy from the sun to make glucose, a simple sugar that later convert into starch.In animals it is stored as glycogen in the liver and muscles.
Starch and glycogen are stored in the form of polysaccharide. Carbohydrates also have a structural role ,particularly in cell membrane as a component of glycoprotien and glycolipids.
Every day we are eating something, so these food products giving energy to human body.
in that CHO is the primary source of energy. Carbohydrates are one of the three main classes of foods and a source of energy. Carbohydrates are mainly sugars and starches that the body breaks down into glucose (a simple sugar that the body can use to feed its cells).
The topic is about carbohydreates.
This lecture will cover an introduction to carbohydrates, its classification and exmaples. it will also cover the difference between glycemic index, difference between complex vs simple carb and also what are the fuctions of carbohydrates. this content will be helpful for all categories of students. 2014 study published in JAMA and youtube sources helps me in preparing lecture.
This Slide share includes Carbohydrate and its Nutrition. It includes introduction, classification, digestion and absorption, sources, RDA and effects of excess and limited use of carbs and fibre and its health effects.
It describes all the necessity of nutrition plus what nutrition includes and from which type of food u can get it.It also refers to deficiency diseses and diorders,
Knee anatomy and clinical tests 2024.pdfvimalpl1234
This includes all relevant anatomy and clinical tests compiled from standard textbooks, Campbell,netter etc..It is comprehensive and best suited for orthopaedicians and orthopaedic residents.
micro teaching on communication m.sc nursing.pdfAnurag Sharma
Microteaching is a unique model of practice teaching. It is a viable instrument for the. desired change in the teaching behavior or the behavior potential which, in specified types of real. classroom situations, tends to facilitate the achievement of specified types of objectives.
ARTIFICIAL INTELLIGENCE IN HEALTHCARE.pdfAnujkumaranit
Artificial intelligence (AI) refers to the simulation of human intelligence processes by machines, especially computer systems. It encompasses tasks such as learning, reasoning, problem-solving, perception, and language understanding. AI technologies are revolutionizing various fields, from healthcare to finance, by enabling machines to perform tasks that typically require human intelligence.
Report Back from SGO 2024: What’s the Latest in Cervical Cancer?bkling
Are you curious about what’s new in cervical cancer research or unsure what the findings mean? Join Dr. Emily Ko, a gynecologic oncologist at Penn Medicine, to learn about the latest updates from the Society of Gynecologic Oncology (SGO) 2024 Annual Meeting on Women’s Cancer. Dr. Ko will discuss what the research presented at the conference means for you and answer your questions about the new developments.
- Video recording of this lecture in English language: https://youtu.be/lK81BzxMqdo
- Video recording of this lecture in Arabic language: https://youtu.be/Ve4P0COk9OI
- Link to download the book free: https://nephrotube.blogspot.com/p/nephrotube-nephrology-books.html
- Link to NephroTube website: www.NephroTube.com
- Link to NephroTube social media accounts: https://nephrotube.blogspot.com/p/join-nephrotube-on-social-media.html
NVBDCP.pptx Nation vector borne disease control programSapna Thakur
NVBDCP was launched in 2003-2004 . Vector-Borne Disease: Disease that results from an infection transmitted to humans and other animals by blood-feeding arthropods, such as mosquitoes, ticks, and fleas. Examples of vector-borne diseases include Dengue fever, West Nile Virus, Lyme disease, and malaria.
Tom Selleck Health: A Comprehensive Look at the Iconic Actor’s Wellness Journeygreendigital
Tom Selleck, an enduring figure in Hollywood. has captivated audiences for decades with his rugged charm, iconic moustache. and memorable roles in television and film. From his breakout role as Thomas Magnum in Magnum P.I. to his current portrayal of Frank Reagan in Blue Bloods. Selleck's career has spanned over 50 years. But beyond his professional achievements. fans have often been curious about Tom Selleck Health. especially as he has aged in the public eye.
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Introduction
Many have been interested in Tom Selleck health. not only because of his enduring presence on screen but also because of the challenges. and lifestyle choices he has faced and made over the years. This article delves into the various aspects of Tom Selleck health. exploring his fitness regimen, diet, mental health. and the challenges he has encountered as he ages. We'll look at how he maintains his well-being. the health issues he has faced, and his approach to ageing .
Early Life and Career
Childhood and Athletic Beginnings
Tom Selleck was born on January 29, 1945, in Detroit, Michigan, and grew up in Sherman Oaks, California. From an early age, he was involved in sports, particularly basketball. which played a significant role in his physical development. His athletic pursuits continued into college. where he attended the University of Southern California (USC) on a basketball scholarship. This early involvement in sports laid a strong foundation for his physical health and disciplined lifestyle.
Transition to Acting
Selleck's transition from an athlete to an actor came with its physical demands. His first significant role in "Magnum P.I." required him to perform various stunts and maintain a fit appearance. This role, which he played from 1980 to 1988. necessitated a rigorous fitness routine to meet the show's demands. setting the stage for his long-term commitment to health and wellness.
Fitness Regimen
Workout Routine
Tom Selleck health and fitness regimen has evolved. adapting to his changing roles and age. During his "Magnum, P.I." days. Selleck's workouts were intense and focused on building and maintaining muscle mass. His routine included weightlifting, cardiovascular exercises. and specific training for the stunts he performed on the show.
Selleck adjusted his fitness routine as he aged to suit his body's needs. Today, his workouts focus on maintaining flexibility, strength, and cardiovascular health. He incorporates low-impact exercises such as swimming, walking, and light weightlifting. This balanced approach helps him stay fit without putting undue strain on his joints and muscles.
Importance of Flexibility and Mobility
In recent years, Selleck has emphasized the importance of flexibility and mobility in his fitness regimen. Understanding the natural decline in muscle mass and joint flexibility with age. he includes stretching and yoga in his routine. These practices help prevent injuries, improve posture, and maintain mobilit
Title: Sense of Smell
Presenter: Dr. Faiza, Assistant Professor of Physiology
Qualifications:
MBBS (Best Graduate, AIMC Lahore)
FCPS Physiology
ICMT, CHPE, DHPE (STMU)
MPH (GC University, Faisalabad)
MBA (Virtual University of Pakistan)
Learning Objectives:
Describe the primary categories of smells and the concept of odor blindness.
Explain the structure and location of the olfactory membrane and mucosa, including the types and roles of cells involved in olfaction.
Describe the pathway and mechanisms of olfactory signal transmission from the olfactory receptors to the brain.
Illustrate the biochemical cascade triggered by odorant binding to olfactory receptors, including the role of G-proteins and second messengers in generating an action potential.
Identify different types of olfactory disorders such as anosmia, hyposmia, hyperosmia, and dysosmia, including their potential causes.
Key Topics:
Olfactory Genes:
3% of the human genome accounts for olfactory genes.
400 genes for odorant receptors.
Olfactory Membrane:
Located in the superior part of the nasal cavity.
Medially: Folds downward along the superior septum.
Laterally: Folds over the superior turbinate and upper surface of the middle turbinate.
Total surface area: 5-10 square centimeters.
Olfactory Mucosa:
Olfactory Cells: Bipolar nerve cells derived from the CNS (100 million), with 4-25 olfactory cilia per cell.
Sustentacular Cells: Produce mucus and maintain ionic and molecular environment.
Basal Cells: Replace worn-out olfactory cells with an average lifespan of 1-2 months.
Bowman’s Gland: Secretes mucus.
Stimulation of Olfactory Cells:
Odorant dissolves in mucus and attaches to receptors on olfactory cilia.
Involves a cascade effect through G-proteins and second messengers, leading to depolarization and action potential generation in the olfactory nerve.
Quality of a Good Odorant:
Small (3-20 Carbon atoms), volatile, water-soluble, and lipid-soluble.
Facilitated by odorant-binding proteins in mucus.
Membrane Potential and Action Potential:
Resting membrane potential: -55mV.
Action potential frequency in the olfactory nerve increases with odorant strength.
Adaptation Towards the Sense of Smell:
Rapid adaptation within the first second, with further slow adaptation.
Psychological adaptation greater than receptor adaptation, involving feedback inhibition from the central nervous system.
Primary Sensations of Smell:
Camphoraceous, Musky, Floral, Pepperminty, Ethereal, Pungent, Putrid.
Odor Detection Threshold:
Examples: Hydrogen sulfide (0.0005 ppm), Methyl-mercaptan (0.002 ppm).
Some toxic substances are odorless at lethal concentrations.
Characteristics of Smell:
Odor blindness for single substances due to lack of appropriate receptor protein.
Behavioral and emotional influences of smell.
Transmission of Olfactory Signals:
From olfactory cells to glomeruli in the olfactory bulb, involving lateral inhibition.
Primitive, less old, and new olfactory systems with different path
New Drug Discovery and Development .....NEHA GUPTA
The "New Drug Discovery and Development" process involves the identification, design, testing, and manufacturing of novel pharmaceutical compounds with the aim of introducing new and improved treatments for various medical conditions. This comprehensive endeavor encompasses various stages, including target identification, preclinical studies, clinical trials, regulatory approval, and post-market surveillance. It involves multidisciplinary collaboration among scientists, researchers, clinicians, regulatory experts, and pharmaceutical companies to bring innovative therapies to market and address unmet medical needs.
Acute scrotum is a general term referring to an emergency condition affecting the contents or the wall of the scrotum.
There are a number of conditions that present acutely, predominantly with pain and/or swelling
A careful and detailed history and examination, and in some cases, investigations allow differentiation between these diagnoses. A prompt diagnosis is essential as the patient may require urgent surgical intervention
Testicular torsion refers to twisting of the spermatic cord, causing ischaemia of the testicle.
Testicular torsion results from inadequate fixation of the testis to the tunica vaginalis producing ischemia from reduced arterial inflow and venous outflow obstruction.
The prevalence of testicular torsion in adult patients hospitalized with acute scrotal pain is approximately 25 to 50 percent
These lecture slides, by Dr Sidra Arshad, offer a quick overview of physiological basis of a normal electrocardiogram.
Learning objectives:
1. Define an electrocardiogram (ECG) and electrocardiography
2. Describe how dipoles generated by the heart produce the waveforms of the ECG
3. Describe the components of a normal electrocardiogram of a typical bipolar leads (limb II)
4. Differentiate between intervals and segments
5. Enlist some common indications for obtaining an ECG
Study Resources:
1. Chapter 11, Guyton and Hall Textbook of Medical Physiology, 14th edition
2. Chapter 9, Human Physiology - From Cells to Systems, Lauralee Sherwood, 9th edition
3. Chapter 29, Ganong’s Review of Medical Physiology, 26th edition
4. Electrocardiogram, StatPearls - https://www.ncbi.nlm.nih.gov/books/NBK549803/
5. ECG in Medical Practice by ABM Abdullah, 4th edition
6. ECG Basics, http://www.nataliescasebook.com/tag/e-c-g-basics
2. CARBOHYDRATES
• Carbohydrates are one of three basic
macronutrients needed to sustain life.
• They are found in a wide range of foods that
bring a variety of other important nutrients to
the diet, such as vitamins and minerals,
phytochemicals, antioxidants, and dietary
fiber
3.
4. CARBOHYDRATE CLASSIFICATION
• Carbohydrates encompass a
broad range of sugars,
starches, and fiber.
• The basic building block of a
carbohydrate is a simple
union of carbon, hydrogen,
and oxygen
5.
6.
7. SUGARS IN FOODS
• That sugar is sucrose and is the most familiar form of sugar to
home bakers.
• But there are many types of sugars, which scientists classify
according to their chemical structure.
• Sugars occur naturally in a wide variety of fruits, vegetables,
and dairy foods.
• They can also be produced commercially and added to foods
to heighten sweetness and for the many technical functions
they perform
• Sugars come in several forms, most containing approximately
four calories per gram
8. MONOSACCHARIDES
• These are made up of
single sugar
molecules.
• Examples of these are
glucose, fructose, and
galactose
Please refer to your books. Page 21
9. DISACCHARIDES
• When two simple sugars are joined
together by a chemical bond they are
called disaccharides.
• The most common of which is sucrose or
table sugar.
• Table sugar is made up of equal amounts
of the simple sugars glucose and
fructose, which are joined together by
chemical bonds.
• Starches and fiber are made up of many
simple sugars joined together chemically.
Please refer to your books. Page 22
10. POLYSACCHARIDE
• Any carbohydrate that
is made up of more
than two simple sugars
is referred to as a
polysaccharide.
Please refer to your books. Page 22
11.
12. • Corn Syrup: Made from corn and usually 100% glucose.
• Fructose: A simple sugar found in fruits, honey, and root
vegetables. It is used as a caloric sweetener, added to foods
and beverages in the form of crystalline fructose
• Galactose: A simple sugar found in milk and dairy foods
• Glucose: The main source of energy for the body and the
only used by brain cells. Glucose is produced when
carbohydrates are digested or metabolized. Glucose is
sometimes referred to as dextrose. Starch is comprised of
long chains of glucose.
• High Fructose Corn Syrup: A mixture of glucose and
fructose produced from corn.
13. • Lactose: The sugar found naturally in milk,
• Maltose: A disaccharide composed of two glucose units. It is
found in molasses and is used in fermentation.
• Sucrose: Known as table or white sugar, sucrose is found
naturally in fruits and vegetables. Appearing most abundantly
in sugar cane and sugar beets, sucrose comes from these
foods for commercial use.
14. SUGAR ALCOHOLS
• A sugar alcohol is neither sugar nor
alcohol but is actually a carbohydrate
with a chemical structure that partially
resembles a sugar and partially
resembles an alcohol.
• Another term for sugar alcohols is
polyols.
• They are a group of caloric sweeteners
that are incompletely absorbed and
metabolized by the body and
consequently contribute fewer calories
than sugars
15. • Due to their incomplete absorption,
the polyol sweeteners produce a
lower glycemic response than
glucose or sucrose and may be
useful for people with diabetes.
• Sugar alcohol-sweetened products
may have fewer calories than
comparable products sweetened
with sucrose or corn syrup and
hence could play a useful role in
weight management.
16. CARBOHYDRATE AND SUGARS CONSUMPTION
RECOMMENDATIONS
• Carbohydrates as 45 to 65 percent of daily calorie intake
• Children and adults need a minimum
of 130 grams of carbohydrates per
day for proper brain function
17.
18. SAFETY
• The Food and Drug Administration (FDA) has examined
numerous sugars, including glucose, dextrose, fructose,
sucrose, high fructose corn syrup, lactose, and maltose, and
determined that they are “generally recognized as safe”
(GRAS).
• According to the FDA, sugars for use in foods have a proven
track record of safety based either on a history of use or on
published scientific evidence, and can be used in food
products without further FDA approval.
19. METABOLISM
• Once ingested, most carbohydrates and complex sugars are
broken down into the simple sugar glucose.
• However, in the digestion of sucrose, both glucose and
fructose are released into the bloodstream.
• Glucose is the primary fuel utilized by the brain and working
muscles.
• To protect the brain from a potential fuel shortage, the body
maintains a fairly constant glucose level in the blood.
• Dietary glucose can be stored in the liver and muscle cells in
units called glycogen.
• When the level of glucose in the blood starts to drop, glycogen
can be converted to glucose to maintain blood glucose levels.
20. CARBOHYDRATES, SUGARS, AND WEIGHT CONTROL
• Calories are needed for normal body processes.
• However, people will gain weight when they eat more calories
than they use up in daily activities and exercise.
• These excess calories can come from all macronutrients—
fats, proteins, carbohydrates, and even alcohol.
• Carbohydrates or sugars eaten within daily calorie needs, by
definition, do not cause weight gain.
21. DIABETES
• Diabetes is a metabolic disorder that occurs when the body
cannot regulate blood glucose levels properly.
• In diabetes, either the pancreas does not make enough
insulin (type 1 diabetes) or the body cannot respond normally
to the insulin that is made (type 2 diabetes).
• Interestingly, sugars are not “off limits” for people with
diabetes.
• Nutritional recommendations do not provide specific
guidelines for intake of sugars, except to note that sugars and
other carbohydrates can be substituted for one another on a
calorie-for calorie basis.
22. GLYCEMIC INDEX
• Glycemic index (GI) is a research tool that measures how
carbohydrate-containing foods affect blood glucose levels.
• According to the GI theory, the lower the GI number, the
slower food is digested, allowing for glucose to be delivered
more slowly to the bloodstream than with foods having a
higher GI number.
• It can be very difficult to apply the glycemic index to foods
consumed in the real world environment as GI can vary widely
depending on the mixture of foods eaten, the ripeness of
foods, the degree to which the foods are cooked, and other
factors.
23. DENTAL HEALTH
• Sugars and cooked starches (e.g.: bread, pasta, crackers,
and chips) are fermentable carbohydrates that contribute to
the risk for dental caries.
• The degree of risk from a carbohydrate-rich food is related to
several factors such as exposure time and frequency of
consumption.
• However, risk can be decreased through several practices,
the most important being proper oral hygiene and the use of
topical fluorides, fluoridated toothpaste, and fluoridated water.
24. SUGARS, MENTAL PERFORMANCE, AND BEHAVIOR
• Numerous studies with different populations show that sugar
consumption does not affect hyperactivity, attention span, or
cognitive performance in children.
25.
26. • As the main energy source for the body,
carbohydrates are an important part of a
healthful diet.
• Currently, experts agree that
carbohydrates and sugars in foods and
beverages can be enjoyed in moderation
as part of a balanced diet and active
lifestyle.