This document provides information about a chemistry course called CHEM 1003: Chemistry of Food, Health and Drugs. It lists the professor, contact information, course materials, exam dates and formats. It outlines the course organization, topics to be covered in each class, and aims of the course which are to show the relevance of chemistry in areas like food, drugs and health and promote critical assessment of media information on these topics.
I created this lecture for my Introduction to Zoology course for non-majors (university level). This lecture focuses on cellular metabolism and division.
I created this lecture for my Introduction to Zoology course for non-majors (university level). This lecture focuses on cellular metabolism and division.
The Presentation is prepared for helping the students and teachers appearing for Teacher Eligibility Test and Central Teacher Eligibility Test.(TET & CTET). The presentation covers all the Science related concepts, formulae, Principles, Laws from 1st to 8th Standard. At a glance Science Content. My 2 F.Y. B.Ed. students, Ms. Gauri Rahane and Ms. Kalyani Patil, contributed for slide preparation.
4 Natural Science and Technology Textbooks with Videos, Grades 4-6sdturton
4 Natural Science and Technology Textbooks with Videos, Grades 4-6
These are four engaging texts with worksheets in the student version, and a teacher edition giving explanations and answers for each one. They cover these subject areas, as listed below: plants, animals, food, matter and materials, energy, electricity, earth, and the solar system. The folders linked below also contain teaching videos and documents that supplement the content discussed and taught in each textbook.
Grade 4, Part 1 – Natural Sciences and Technology Textbook with Videos
Grade 4, Part 2 – Natural Sciences and Technology Textbook with Videos
Grade 6, Part 1 – Natural Sciences and Technology Textbook with Videos
Grade 6, Part 2 – Natural Sciences and Technology Textbook with Videos
Teaching science at home isn't impossible. A little creative and adventurous spirit will help any parent help their student through even the scariest of science classes and labs. Remember, science is playing around with things to find out what happens.
Chemistry in our daily life and its importanceAMIR HASSAN
Chemistry in our daily life and its importance
A Short Introduction to Chemistry and its branches.
There are five main branches of Chemistry:
1)Organic Chemistry
2)Inorganic Chemistry
3)Analytical Chemistry
4)Physical Chemistry
5)Biochemistry
Presented By: Amir Hassan Chemistry Department, Government Post Graduate College Mardan KP Pakistan.
Food Chemistry
HTM301 – Food Science & Production
Version: September 4, 2019
1
photos & illustrations from [Myhrvold, N., Young, C., & Bilet, M. (2011). Modernist cuisine: The art and science of cooking. Cooking Lab] unless otherwise cited
What is Stuff?
2
1. Matter
2. Elements
• A species of , which
have the same chemical
characteristics
3. Atoms (unit)
• Smallest unit of an .
• Sub‐atomic particles: (+), ( ), (‐)
4. Molecule (unit)
• Group of ≥ 2 .
• Held together by .
• Sharing .
• Water
• Salt
• Baking Soda• H
• O
• Na
• Cl
• C
• H2O
• NaCl
• NaHCO3
• H: 1P; 1N; 1e
• O: 8P; 8N; 8e
• Na: 11P; 12N; 11e
• Cl: 17P; 18N; 17e
• C: 6P; 6N; 6e
Charge & Magnetism
3
• Protons ❤ Electrons
• Opposite charges attract ; vise‐versa
• Electrons are always in motion
• Electrons orbit protons at different distances
• Chemical Reactions ‐ encounters btwn
atoms and or molecules where:
• Electrons are lost/gained/shared.
• Some molecules gain/lose electrons more
readily than others.
ie. , .
Bonds
4
Type of Bond Power Distribution Strength eg
Ionic Between atoms ‐ uneven Strong The bond between Sodium and
Cloride in table salt (NaCl) Na+ + Cl‐
Covalent Between atoms ‐ equal Strong The Hydrogen bonds with Oxygen in
Water (H2O)
Between Polar Molecules Between entire molecules Weak Molecular cohesion between water
molecules
Between Non‐Polar
Molecules
Between entire molecules Very
Weak
Why molecules of oils move slowly
and create viscousness
Types of Bonds
Energy & Bonds
5
• Kinetic energy = movement, motion
• Bond energy = electromagnetic
Kinetic energy > Bond energy
.
Heat is energy!
Energy & Bonds: Phase Change
6
Requires more energy (heat)
melts boils
How much heat is needed depends on
the strength of the bonds between atoms/molecules.
• Low kinetic energy
• ∴ Electromagnetic
bonds prevail
• Can be crystalline
• Can be amorphous
• Kinetic energy
enough to break a
fixed structure
• Electromagnetic
forces still
influence cohesion
• Kinetic energy
enough to break a
fixed structure, and
electromagnetic
forces.
sublimation
Energy & Food
7
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• Proteins
Denature
• Myosin (~122F)
• Collagen (~140F)
• Actin (~150F)
• Collagen
Hydrolyzes (160F)
• Dehydration
• Pectin & Hemicellulose dissolve
• Water Steam or Ice
• Breaks cell walls
• Steams 2x (in‐out ; out‐in)
Water is Weird
8
High “Latent Heat of Vaporization”
melts boils
• Low kinetic energy
• Electromagnetic
bonds prevail
• Crystalline
• Compared to water:
• !Greater volume
• !Less dense
• Electromagnetic
forces still influence
cohesion
• Molecular Cohesion
• Surface Tension
...
The Presentation is prepared for helping the students and teachers appearing for Teacher Eligibility Test and Central Teacher Eligibility Test.(TET & CTET). The presentation covers all the Science related concepts, formulae, Principles, Laws from 1st to 8th Standard. At a glance Science Content. My 2 F.Y. B.Ed. students, Ms. Gauri Rahane and Ms. Kalyani Patil, contributed for slide preparation.
4 Natural Science and Technology Textbooks with Videos, Grades 4-6sdturton
4 Natural Science and Technology Textbooks with Videos, Grades 4-6
These are four engaging texts with worksheets in the student version, and a teacher edition giving explanations and answers for each one. They cover these subject areas, as listed below: plants, animals, food, matter and materials, energy, electricity, earth, and the solar system. The folders linked below also contain teaching videos and documents that supplement the content discussed and taught in each textbook.
Grade 4, Part 1 – Natural Sciences and Technology Textbook with Videos
Grade 4, Part 2 – Natural Sciences and Technology Textbook with Videos
Grade 6, Part 1 – Natural Sciences and Technology Textbook with Videos
Grade 6, Part 2 – Natural Sciences and Technology Textbook with Videos
Teaching science at home isn't impossible. A little creative and adventurous spirit will help any parent help their student through even the scariest of science classes and labs. Remember, science is playing around with things to find out what happens.
Chemistry in our daily life and its importanceAMIR HASSAN
Chemistry in our daily life and its importance
A Short Introduction to Chemistry and its branches.
There are five main branches of Chemistry:
1)Organic Chemistry
2)Inorganic Chemistry
3)Analytical Chemistry
4)Physical Chemistry
5)Biochemistry
Presented By: Amir Hassan Chemistry Department, Government Post Graduate College Mardan KP Pakistan.
Food Chemistry
HTM301 – Food Science & Production
Version: September 4, 2019
1
photos & illustrations from [Myhrvold, N., Young, C., & Bilet, M. (2011). Modernist cuisine: The art and science of cooking. Cooking Lab] unless otherwise cited
What is Stuff?
2
1. Matter
2. Elements
• A species of , which
have the same chemical
characteristics
3. Atoms (unit)
• Smallest unit of an .
• Sub‐atomic particles: (+), ( ), (‐)
4. Molecule (unit)
• Group of ≥ 2 .
• Held together by .
• Sharing .
• Water
• Salt
• Baking Soda• H
• O
• Na
• Cl
• C
• H2O
• NaCl
• NaHCO3
• H: 1P; 1N; 1e
• O: 8P; 8N; 8e
• Na: 11P; 12N; 11e
• Cl: 17P; 18N; 17e
• C: 6P; 6N; 6e
Charge & Magnetism
3
• Protons ❤ Electrons
• Opposite charges attract ; vise‐versa
• Electrons are always in motion
• Electrons orbit protons at different distances
• Chemical Reactions ‐ encounters btwn
atoms and or molecules where:
• Electrons are lost/gained/shared.
• Some molecules gain/lose electrons more
readily than others.
ie. , .
Bonds
4
Type of Bond Power Distribution Strength eg
Ionic Between atoms ‐ uneven Strong The bond between Sodium and
Cloride in table salt (NaCl) Na+ + Cl‐
Covalent Between atoms ‐ equal Strong The Hydrogen bonds with Oxygen in
Water (H2O)
Between Polar Molecules Between entire molecules Weak Molecular cohesion between water
molecules
Between Non‐Polar
Molecules
Between entire molecules Very
Weak
Why molecules of oils move slowly
and create viscousness
Types of Bonds
Energy & Bonds
5
• Kinetic energy = movement, motion
• Bond energy = electromagnetic
Kinetic energy > Bond energy
.
Heat is energy!
Energy & Bonds: Phase Change
6
Requires more energy (heat)
melts boils
How much heat is needed depends on
the strength of the bonds between atoms/molecules.
• Low kinetic energy
• ∴ Electromagnetic
bonds prevail
• Can be crystalline
• Can be amorphous
• Kinetic energy
enough to break a
fixed structure
• Electromagnetic
forces still
influence cohesion
• Kinetic energy
enough to break a
fixed structure, and
electromagnetic
forces.
sublimation
Energy & Food
7
http://www.seriouseats.com/2010/08/how‐to‐boil‐water‐faster‐simmer‐temperatures.html
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tp
:/
/w
w
w
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m
.n
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=t
ru
e&
w
id
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e=
th
um
bn
ai
l&
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=4
65
0&
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s=
1&
pg
s=
50
&
ci
c=
N
LM
N
LM
~1
~1
&
w
id
ge
tF
or
m
at
=w
ik
i
• Proteins
Denature
• Myosin (~122F)
• Collagen (~140F)
• Actin (~150F)
• Collagen
Hydrolyzes (160F)
• Dehydration
• Pectin & Hemicellulose dissolve
• Water Steam or Ice
• Breaks cell walls
• Steams 2x (in‐out ; out‐in)
Water is Weird
8
High “Latent Heat of Vaporization”
melts boils
• Low kinetic energy
• Electromagnetic
bonds prevail
• Crystalline
• Compared to water:
• !Greater volume
• !Less dense
• Electromagnetic
forces still influence
cohesion
• Molecular Cohesion
• Surface Tension
...
Macroeconomics- Movie Location
This will be used as part of your Personal Professional Portfolio once graded.
Objective:
Prepare a presentation or a paper using research, basic comparative analysis, data organization and application of economic information. You will make an informed assessment of an economic climate outside of the United States to accomplish an entertainment industry objective.
Read| The latest issue of The Challenger is here! We are thrilled to announce that our school paper has qualified for the NATIONAL SCHOOLS PRESS CONFERENCE (NSPC) 2024. Thank you for your unwavering support and trust. Dive into the stories that made us stand out!
Synthetic Fiber Construction in lab .pptxPavel ( NSTU)
Synthetic fiber production is a fascinating and complex field that blends chemistry, engineering, and environmental science. By understanding these aspects, students can gain a comprehensive view of synthetic fiber production, its impact on society and the environment, and the potential for future innovations. Synthetic fibers play a crucial role in modern society, impacting various aspects of daily life, industry, and the environment. ynthetic fibers are integral to modern life, offering a range of benefits from cost-effectiveness and versatility to innovative applications and performance characteristics. While they pose environmental challenges, ongoing research and development aim to create more sustainable and eco-friendly alternatives. Understanding the importance of synthetic fibers helps in appreciating their role in the economy, industry, and daily life, while also emphasizing the need for sustainable practices and innovation.
The Roman Empire A Historical Colossus.pdfkaushalkr1407
The Roman Empire, a vast and enduring power, stands as one of history's most remarkable civilizations, leaving an indelible imprint on the world. It emerged from the Roman Republic, transitioning into an imperial powerhouse under the leadership of Augustus Caesar in 27 BCE. This transformation marked the beginning of an era defined by unprecedented territorial expansion, architectural marvels, and profound cultural influence.
The empire's roots lie in the city of Rome, founded, according to legend, by Romulus in 753 BCE. Over centuries, Rome evolved from a small settlement to a formidable republic, characterized by a complex political system with elected officials and checks on power. However, internal strife, class conflicts, and military ambitions paved the way for the end of the Republic. Julius Caesar’s dictatorship and subsequent assassination in 44 BCE created a power vacuum, leading to a civil war. Octavian, later Augustus, emerged victorious, heralding the Roman Empire’s birth.
Under Augustus, the empire experienced the Pax Romana, a 200-year period of relative peace and stability. Augustus reformed the military, established efficient administrative systems, and initiated grand construction projects. The empire's borders expanded, encompassing territories from Britain to Egypt and from Spain to the Euphrates. Roman legions, renowned for their discipline and engineering prowess, secured and maintained these vast territories, building roads, fortifications, and cities that facilitated control and integration.
The Roman Empire’s society was hierarchical, with a rigid class system. At the top were the patricians, wealthy elites who held significant political power. Below them were the plebeians, free citizens with limited political influence, and the vast numbers of slaves who formed the backbone of the economy. The family unit was central, governed by the paterfamilias, the male head who held absolute authority.
Culturally, the Romans were eclectic, absorbing and adapting elements from the civilizations they encountered, particularly the Greeks. Roman art, literature, and philosophy reflected this synthesis, creating a rich cultural tapestry. Latin, the Roman language, became the lingua franca of the Western world, influencing numerous modern languages.
Roman architecture and engineering achievements were monumental. They perfected the arch, vault, and dome, constructing enduring structures like the Colosseum, Pantheon, and aqueducts. These engineering marvels not only showcased Roman ingenuity but also served practical purposes, from public entertainment to water supply.
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It is possible to hide or invisible some fields in odoo. Commonly using “invisible” attribute in the field definition to invisible the fields. This slide will show how to make a field invisible in odoo 17.
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An EFL lesson about the current events in Palestine. It is intended to be for intermediate students who wish to increase their listening skills through a short lesson in power point.
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The French Revolution, which began in 1789, was a period of radical social and political upheaval in France. It marked the decline of absolute monarchies, the rise of secular and democratic republics, and the eventual rise of Napoleon Bonaparte. This revolutionary period is crucial in understanding the transition from feudalism to modernity in Europe.
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Unit 8 - Information and Communication Technology (Paper I).pdfThiyagu K
This slides describes the basic concepts of ICT, basics of Email, Emerging Technology and Digital Initiatives in Education. This presentations aligns with the UGC Paper I syllabus.
1. CHEM 1003: Chemistry of Food, Health and Drugs
• Professor: G. W. Buchanan
• Office 116 Steacie
• (613)-520-3840
• Email gerald_buchanan@carleton.ca
• Course website: PP slides will be posted
• http://www.carleton.ca/chemistry/undergra
d/courses/CHEM1003.htm
2. CHEM 1003 Organization/Grades
• Mid term (2 hours) 40%. Weekend of June 12
• Final (3 hours) 60% : covers all material: June 30, July
2-4
• If absent from midterm for any reason, marks go on final
• Problem sets will be assigned, but not marked. Answers
posted on website
• Questions on quizzes and Final “similar” to those on
problem sets
• Format: Multiple Choice and Short Answer
3. Materials
• Text: “ The Extraordinary Chemistry of
Ordinary Things” 4th ed. Carl H. Snyder
Wiley Publishing.
Problems assigned from this text
4. Problems from May 12 class
• Chapt 1# 1,2
• Chapt 2# 6,8,18
• Chapt 3# 3
• Chapt 5#26,30
• Chapt 9 # 1,14
• Chapt 12 # 1,18
• May 14 class: Chapt 6 #1,8; Chapt 8#1,21
• Keep up to date!!!!!
5. Aims of the course
• Not to produce Chemists!
• To show the relevance of Chemistry in
Food ,Drugs and Health
• To promote critical assessment of
information in the media ie. “Intellectual
Triage” of Food, Drug and Health
concerns, trends, new ideas etc.
• To get student participation!
6. Class format
• PP presentations
• Demonstrations (mostly taped)
• What’s in the news? Current topics related to course
material as they appear in media/internet
• We will try to do intellectual triage on each: (i) immediate
action (ii) follow it (iii) forget (rubbish?)
7. Some examples
• Vitamin D :link between deficiency and the risk of
developing Multiple Sclerosis (MS) established (Feb
2009)
• “Immediate action”
• Researchers found that proteins activated by Vitamin D
bind to a segment of DNA near a gene implicated in MS
(degenerative neurological condition-destroys nerve cells
in brain and spinal cord)
• Most common in northern populations (Low sunlight)
• All Canadians should take Vitamin D (it is
added to Milk)
8. Charlatan Story :Raw food diets (Feb 4
2009)
Statement by Natasha Kyssa (Simply Raw,
Ottawa) that people feel “sluggish” when
eating cooked foods because enzymes in
food are destroyed when heated and the
body must use its own enzymes, thus
depleting it of energy
• Analysis: rubbish! The enzymes used in
digestion are not contained in food!
9. Lecture topics
• Class #1: atoms, elements, isotopes, origin of food, chemical arithmetic,
greenhouse gases, concentrations, states of matter- “MIXED BAG”
• Class #2: Overview of Organic Chemistry. Energy and food.
• Class #3: Lipids: Fats and oils
• Class #4: Carbohydrates
• Class #5: Amino acids and proteins
• Class #6: Nucleic acids and genes; minerals
• --------------------------------------------------------------------------------------------------
• Midterm covers 1st 6 classes material : Friday June 12 from 5-7 PM
• ----------------------------------------------------------------------------------------------------
Class #7: Vitamins; Food additives
• Class #8: Poisons, Toxins, Hazards, risks
• Class #9: Acids and bases: Medicines and Drugs (part I)
• Class#10: Meds and Drugs part II. Lifestyle Drugs: Caffeine, Nicotine,
Alcohol
• Class#11: Fitness; Food production; Agricultural Chemistry
• Class#12: Herbal Supplements, Weight loss; Diet fads,review
10. The units (website PP postings)!
• May 12: Units 1-5
• May 14: Units 6&7
• May 19: Units 8&9
• May 21: Unit 10
• June 2: Units 11 & 12.1
• June 4: Units 12.1 & 12.2
• *** all covered on quiz #1 June 12
11. 2nd half of course
• June 9 : Units 12.3 &13
• June 11: Units 14 &15
• June 16: Units 16 &17
• June 18: Units 18 &19
• June 23: Units 20 &21
• June 25: Final review : Q’s &A’s
• NB. This is approximate!!!
12. An Introduction to Chemistry:
let’s keep it simple (and fun)
chapter 1
What in the world isn’t Chemistry??
13. Chemistry is the branch of science that studies the
composition and properties of matter and the changes that
matter undergoes
14. Elements are the fundamental substances of
chemistry and are composed of atoms.
~115 different elements have been identified, eg. hydrogen,
phosphorus, oxygen, nitrogen, sulfur, helium, carbon, calcium,
iron, sodium, chlorine.
Elements cannot be decomposed or converted to simpler substances or
other elements by any common form of energy, eg. heat, light, electricity,
sound, magnetism.
Only neutron bombardment can induce fission of some nuclei (ie 236U)
causing decay to other elements and release of energy.
15. An atom is the smallest particle of an element
that can be identified as that element.
Atoms, once thought to be the ultimate indivisible
particles that make up all matter, are among the
fundamental particles of the science of chemistry
John Dalton (1776-1844) (UK) proposed that all
matter was composed of atoms-he was correct!
16. A compound is a pure substance formed by the
chemical combination of two or more different elements
in a specific ratio.
Molecules are groups of two or more atoms held
together by the forces of chemical bonds. H2 and O2 are
molecules but not compounds.
17. An ion is an atom or group of atoms that
carries an electrical charge.
An anion is a negatively charged ion.
A cation is a positively charged ion.
Electrolytes are substances that conduct
electricity when dissolved in water,
or when melted if they don’t dissolve.
Those that don’t are nonelectrolytes.
19. What are we made of?
• On average, about 60% Water by weight, hence
O and H are major components
• Muscles and fat also contain C and N
• Thus H, O, C and N make up over 95% of our
weight!
• In terms of # of atoms, much higher % H
• As we age, we lose water
20. Other Elements in the Human Body
Element ~gms/ 70kg Where Dietary Source
Calcium
Chlorine
Cobalt
Copper
Iodine
Iron
Magnesium
Phosphorus
Potassium
Sodium
Zinc
1500
105
trace
trace
trace
2
22
800
220
70
trace
bones & teeth
all cells& stomach
vitamin B12
in many enzymes
thyroid
hemoglobin
in all cells + bones
in ATP & bones
intracellular cation
extracellular cation
many enzymes
milk products
table salt
meat, fish, milk
nuts, shellfish
seafood
beef, fruits
green veggies
meat, eggs
‘everywhere’
table salt
seafood, meat
21. Nature of these elements
• Many present as ions or in combination with others.
• Chlorine is present as Cl- (chloride ion).
• Phosphorus is in phosphate ion (PO4) -3.
• Sodium & Potassium present as Na+ and K+.
• 2009 “sodium kills” campaign- NaCl and blood pressure
• Iodine present as I- (iodide ion).
• Calcium present as Ca+2, often in Ca3(PO4)2. Calcium
phosphate in teeth and bones.
22. Trace Elements in the Body (a few of many)
• Selenium : Se-in selenoproteins, acts as a
peroxide scavenger. Hence “anti-aging” effects
(at the proper level). Toxic at higher levels
• Manganese: Mn-in metalloenzymes such as
pyruvate carboxylase
• Molybdenum: Mo-in xanthine oxidase, also a
metalloenzyme
• “ase” suffix denotes an enzyme-physiological
catalyst
23. So we are full of Chemicals!!
• The 10 most abundant elements in our body in terms of weight %
• Oxygen 65
• Carbon 18
• Hydrogen 10
• Nitrogen 3
• Calcium 1.5
• Phosphorus 1.0
• Potassium .25
• Sulfur .25
• Chlorine .15
• Sodium .15
• and 37 others (of known function)