1. NUTRITION

2. What Is Nutrition?
-The study of how your body uses the food that you eat.

3. What is a
Nutrient ?

4. A nutrient is:
A nutrient is a chemical substance in food that helps maintain the body. Some provide energy. All help build cells and tissues, regulate bodily processes such as breathing. No single food supplies all the nutrients the body needs to function.

5. The six Classifications of Nutrients
Proteins
Carbohydrates
Fats
Vitamins
Minerals
Water

6. Nutrients that have Calories and produce energy:
Proteins
Carbohydrates
Fats

7. Nutrients that Release energy
Vitamins
Minerals
Water
These nutrients help to release the energy
stored in proteins, carbohydrates,& fats!!!

8. Definition of a Calorie:
A unit of energy
from foods we eat.

9. Calories provided per gram:
Protein Gram = 4 calories
Carbohydrates 1 Gram = 4calories
Fat Gram = 9 calories
So it takes us twice as
long to burn fats!

10. Factors that affect nutrient needs:
1. Age
2. Gender
3. Activity Level
4. Climate
5. Health
6. State of nutrition

11. Ten U.S. Dietary Guidelines:
Aim for Fitness
1. Aim for a healthy weight

12. 2. Be physically active each day

13. Build a Healthy Base 3. Let the pyramid guide your choices
4. Choose a variety of grains daily, especially whole grains
5. Choose a variety of fruits and vegetables daily.
6. Keep food safe to eat.

14. Choose Sensibly
7. Choose a diet that is low in saturated fat and cholesterol and moderate in total fat
8. Choose beverages and foods to moderate your intake of sugars
9. Choose and prepare food with less salt
10. If you drink alcoholic beverages do so in moderation

15. Why do we need Proteins ?

16. Proteins are: Essential for building and repairing tissue
Regulate body functions
Provides energy
Helps fight infection
Daily diet should consist of up to 20% of proteins

17. Sources of Protein Complete Incomplete (9 essential amino acids)
Amino acids are the building blocks of proteins
Meats
Fish
Milk
Cheeses
Eggs
Incomplete
(remaining 11 amino acids)
Soybeans
Dry beans
Peas
Peanuts

18. Why do we need Carbohydrates??
Main source of energy
Easily digested
Should make up 40% - 60% of the daily diet
2 categories:
Simple: Provides quick energy source
Complex: Provides long lasting energy

19. Sources of Carbohydrates
Complex
Bread
Pasta
Crackers
Cereals
Potatoes
Corn
Peas
Simple
Fruits
Sugar
Syrups

20. Why do we need Fat?

21. Fat: Helps Maintain body temperature Protects organs and bones
Aids in the absorption of fat-soluble vitamins
Provides flavor to meals
Daily diet should consist of no more than 30% of calories from fat

22. Sources of Fat Saturated Unsaturated Solid at room temperature
BUTTER
MARGARINE
CREAM
FATTY MEATS
CHEESES
Unsaturated
Liquid at room temperature
OILS
Hydrogenation- changes a liquid fat to a solid fat

23. Omega 3 Fatty Acids
Decrease risk of arrhythmias, which can lead to sudden cardiac death
Decrease triglyceride levels
Decrease growth rate of atherosclerotic plaque
Lowers blood pressure (slightly)
All of these = less chance of arteries clogging up

24. Why do we need Vitamins? Metabolism Tissue building
Regulates body processing
Allows body to release the energy provided by carbs, fats, and protein

25. What are the sources of Vitamins?

26. Two Types of Vitamins Water soluble Fat Soluble
Dissolve in water, easily destroyed by cooking
Vitamins C and B complex
Fat Soluble
Dissolve in fat, can be stored in the body, not easily destroyed by cooking
Vitamins A,D,E,K

27. Assist in various body functions
Why do we need Minerals?
Regulate body fluids
Assist in various body functions
Helps release energy

28. Why do we need Water?

29. We need Water because: 60 % of our body weight is water
It’s Essential for digestion (breakdown) of food
Helps body tissues absorb nutrients
Helps move waste material through the body
Regulates body temperature and prevent dehydration
You need 8-10 glasses (about oz)
Every day!

30. The END!!