Proteins.

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Presentation transcript:

Proteins

Why do we need proteins? Skin Hair Nails Muscles Tendons

Protein The main function of protein is to build and repair body tissues. If carbohydrates and fat are not available, your body will use protein. Is this a good thing?

How do we get protein? Meat Fish Cheese Beans Eggs Yogurt & Milk Nuts & Seeds

What are proteins? Amino acids Building blocks of protein. 22 essential amino acids Essential means that your body MUST have them. Only 9 have to be obtained from food

Complete Proteins Complete proteins contain all 9 of the essential amino acids. Complete proteins come from animal food sources. Tofu (from soybeans) is the only complete protein from a plant source.

Incomplete Proteins Incomplete proteins do NOT contain all of the essential amino acids. Incomplete proteins come from plant food sources. Examples of incomplete proteins could be: Grains Beans Nuts/Seeds Rice Wheat

Combining Proteins Incomplete proteins can be combined to create a complete protein. Examples include: Beans and Rice Peanut Butter and Whole Wheat Toast Bean Soup with a Wheat Roll