Protein

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Protein

• Complete and Incomplete

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Protein has multiple functions

• Build and repair body tissue
• Provide Energy
• Maintain cell growth

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Must be supplied daily

• Constantly needed to replace wear and tear of
  tissue and keep up protein concentration in the
  blood

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Protein provides energy

• Can take the place of some fat and carbohydrate
• Excess protein converted to energy
• Stored as fat

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Fats and carbs cannot replace protein

• Excess protein, once converted to energy, cannot
  convert back to protein

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The best sources of protein

• Milk
• Eggs
• Fish
• Poultry
• Red Meat

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Excessive Protein

• Converted to energy
• May do more harm than good
• Not necessary to eat a lot.

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Amino Acids

• Building Blocks from which new proteins are made.
• There are 22 different ones, but 9 are essential
  for good health.

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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

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Complete protein plant sources

• Brewers Yeast
• Certain nuts
• Soybeans (tofu)
• Cottonseed
• Germ of grains

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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

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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

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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

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Extending Proteins

• Chicken and Rice
• Chili con carne
• Macaroni and Cheese
• Tuna Noodle Casserole
• Also called sparing

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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

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Insufficient Protein

• Lower ones resistance to disease,
• Damage liver
• Death
• Tiredness
• Weight loss
• Lack of energy
• Stunt growth
• Not common in U.S.