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Complete and Incomplete

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Presentation on theme: "Complete and Incomplete"— Presentation transcript:

1 Complete and Incomplete
Protein Complete and Incomplete

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

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 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 Converted 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 22 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.

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