1. Complete and Incomplete
Protein
Complete and Incomplete

2. Protein has multiple functions
Build and repair body tissue
Maintain cell growth
Energy – 4 calories per gram.

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

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

5. Can anything replace protein?
Fats and carbs cannot replace protein.
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 Is converted back to energy.
Our bodies must also take off the nitrogen before converting it to fat. This makes our kidneys work very hard and causes toxic substances to build up in the blood.
This may do more harm than good.
It is not necessary to eat a lot.

8. Amino Acids Building Blocks from which new proteins are made.
There are 22 different ones, but 9 are essential for good health.
Essential means that we must get in our diet, our bodies cannot make it from other things.
                                                                

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
The most complete plant protein is
Soybeans (tofu)

12. Incomplete Proteins
Some plant foods contain protein, but not all 9 essential amino acids.
Foods that are incomplete come from plants.
Beans, Nuts, and grains, legumes & peanut butter
Provide normal maintenance when they are combined with other plant proteins When this happens they are called complementary proteins.

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. Extending Proteins Chicken and Rice Chili con carne
Macaroni and Cheese
Tuna Noodle Casserole

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

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