1. Complete and Incomplete
Protein
Complete and Incomplete

2. Protein has multiple functions
Build and repair body tissue
Maintain cell growth
Energy

3. Must be supplied daily
Constantly needed to replace wear and tear of tissue and keep up protein concentration in the blood serum

4. Protein provides energy
Can take the place of some fat and carbohydrate
Excess protein converted to energy
Stored as fat

5. Fats and carbs cannot replace protein
Needed to replace wear and tear of tissue and keep up protein concentration in the blood
Excess protein, once converted to energy, cannot convert back to protein

6. The best sources of protein
Milk
Eggs
Fish
Poultry
Red Meat

7. Excessive Protein Converted back to energy May do more harm than good
Not necessary to eat a lot.

8. Amino Acids Building Blocks from which new proteins are made.
There are 21 different ones, but 9 are essential for good health.
                                                                

9. Complete Protein Any food that has all 9 essential amino acids.
All animal proteins are classified as complete proteins.
Support growth and maintenance of body tissue

10. Complete protein plant sources
Brewers Yeast
Certain nuts
Soybeans (tofu)
Cottonseed
Germ of grains

12. Partially Complete Amino Acids
Provide normal maintenance
Do not support growth
Some plant foods contain protein, but not all essential amino acids
Incomplete Proteins
Beans Nuts and grains legumes peanut butter

13. Eat a variety of food
Make certain the body gets all the essential amino acids.
Make protein complete
Combine plant and animal food
Combining plant protein from variety of cereals and grains

15. Protein not immediately needed
Excreted by the body
Converted to Fat and stored in adipose (fat) tissues in body.
Cannot be converted back into amino acids
4 Calories per gram

16. Extending Proteins Chicken and Rice Chili con carne
Macaroni and Cheese
Tuna Noodle Casserole
Also called “sparing”

17. Protein needs influenced by
Age
Body Size
Quality of the proteins
Physical state of the person
3-6 ounces per day or 2-3 “servings”

18. Insufficient Protein Lower one’s resistance to disease, Damage liver
Death
Tiredness
Weight loss
Lack of energy
Stunt growth
Not common in U.S.