Will use Diet Analysis software 9.0 (comes with book)
We will curve ONLY the FINAL Grade based on exams and diet analysis project as follow:
Exam 1 17% of Final Grade
Exam 2 17% of Final Grade
Final Exam 33% of Final Grade
Diet Analysis Project 33% of Final Grade
Food and Health DETAILS Grading
We start on time – please don’t be late
Turn off your cell phones BEFORE class
No telephone calls or text messaging
Food and Health DETAILS Courtesy
Define: Food, Nutrition, Health
What is Nutrigenomics
Making the Right Food Choices
Introduction to the Pyramid
Any substance that is eaten or otherwise taken into the body to sustain physiological life, provide energy and promote nutrition
The sum of biochemical and physiological processes concerned with the growth, maintenance, and repair of the living body as a whole, or of its constituent organs
Graham Lusk, The Science of Nutrition, 1928
A continued state of soundness and vigor of body and mind
It is reflected in low infant mortality, longevity, low morbidity to infectious and chronic disease (i.e. increased resistance)
Consumers Feel that Nutrition Plays Greatest Role in Health
Why do we eat? - Functions of Food
Provide energy (satisfy hunger)
Provide nutrients (satisfy nutrition)
Initiate and maintain interpersonal relationships
Determine extent of interpersonal distance
Express socio-religious beliefs
Express social status prestige
Recognize special achievement
Cope with psychological stress
Influence political economic status of a group
Reward/punish influence others behaviors
Detect, treat, prevent cultural behavior deviations
Detect, treat, prevent illness manifestations
What is the make-up of Food?
Array of chemicals including
50, including non essential amino acids
hundreds, carotenoids: over 400
over 4000 identified
Other known and unknown compounds
Organoleptic: Factors which provide sensory appeal
i.e. color, flavor (including aroma), texture
Examples of Food Composition Chocolate Lots of carbohydrate Good amount of fat Some protein Lots of antioxidants Salmon Little carbohydrate Good amount of fat Lots of protein Lots of antioxidants Tea No macronutrients No micronutrients Lots of antioxidants
1. Foods or dietary components that may provide a health benefit beyond basic nutrition 1
2. General term for foods that provide an additional physiological benefit beyond that of meeting basic nutritional needs 2
1 http://www.ific.org/nutrition/functional/index.cfm 2 Boyle and Anderson, Personal Nutrition, p.195
Functional Food Inherently Functional = foods that have n aturally present constituents that are protective of, or conducive to, good human health Fresh produce • Fresh fruit • Fresh vegetables Orange Juice Soy products Salmon Oats Ruminants meat Cranberry products
Functional Food Imposed Functional = foods to which bioactive components with potentially health benefits have been added Fortified & Enhanced foods Breads Energy bars Cereals Margarines Orange Juice
Top 10 Functional Foods Named by Consumers
Smallest unit of life.
Can survive on its own or has potential to do so.
Is highly organized for metabolism.
Senses and responds to environment.
Has potential to reproduce.
Structure of Cells
Nucleus (compartment where DNA is stored)
What does a cell do?
Nutrigenomics Address the role of diet on the activity of individual’s genes and its effects on health Copyright by J. Hirsch et al.
Nutrigenomics Diet Health or Disease Genotype Phenotype
There are no bad foods, just bad diets!
Early nutrition science efforts concentrated on eliminating deficiency diseases (abundant food supply and food fortification)
Today, overnutrition , poor dietary habits, and environmental/lifestyle factors,contribute to development of degenerative and chronic diseases
Diet is related to Top 5 of the leading causes of death:
1992 Food Guide Pyramid
2005 MyPyramid 12 pyramids based on calories and physical activity
Understanding Our Food Choices
Personal Values or Beliefs
Reflect our own unique cultural legacies, philosophies and beliefs
Food Preferences are Personal…
Related to positive experiences
Aversions to certain foods
Tied to psychological needs
Yearnings, cravings, addictions and response to stress
Making the Right Food Choices
Hunger vs. Appetite
Right vs. Wrong
Good vs. Bad
Why do you eat? What’s in your fridge? Where do you go out to eat? What do you think about when you buy/eat food?