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Proteins

Proteins. Principal funding provided by USDA’s Food Stamp Program, an equal opportunity provider and employer, helping limited income Californians buy more nutritious foods for a healthier diet. Proteins – a part of our diet. Carbohydrates (CHO) Protein (PRO) Fat. Protein.

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Proteins

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  1. Proteins Principal funding provided by USDA’s Food Stamp Program, an equal opportunity provider and employer, helping limited income Californians buy more nutritious foods for a healthier diet.

  2. Proteins – a part of our diet Carbohydrates (CHO) Protein (PRO) Fat

  3. Protein • Your body is made of protein. • Your body stores fat and carbohydrates but does not store protein. • Protein is made of amino acids, which are like building blocks. =

  4. Amino Acids • Your body arranges amino acids to build the different proteins it needs. • - Muscles - Hair • - Nails - Skin • - Hormones - Cells

  5. Amino Acids • There are 20 amino acids. • It is easy for the body to make 10 of these amino acids. • Amino acids are made of similar ingredients or elements: Carbon, hydrogen, oxygen, nitrogen and sulfur. C C C H H C C N o o o N N s O O o H H N N N C

  6. Essential Amino Acids • Eight amino acids are essential for humans. They are tryptophan, lysine, methionine, phenylalanine, threonine, valine, leucine, isoleucine. • Two amino acids are essential for children. They are alanine and histadine. • Your body can make the other 10 amino acids.

  7. Essential Amino Acids • Phenylalanine is used to make an amino acid called, tyrosine. • In a few cases, some people are missing or don’t make enough of the enzyme to make tyrosine. • This inherited disorder is called phenylketonuria or PKU • If it goes untreated, a person can suffer retardation

  8. Amino Acids • Body needs all eight essential AA • Vegetarians must plan carefully to get the essential amino acids Complete Protein = +

  9. Protein Functions • Helps build muscles, blood, skin, hair, nails, and internal organs. • Helps the body grow & repair itself • Helps fight disease.

  10. Too Much Protein... may mean too much fat. Over a long period, this can increase risk of • heart disease • diabetes • and some types of cancer.

  11. Too Much Protein… may cause calcium loss. No calcium in the diet? =

  12. Too Much Protein... • Means less carbohydrate intake to fuel muscles. • Your brain and eyes need a minimum of 100 grams of carbohydrates per day to work. • may overwork kidneys & lead to poor kidney function.

  13. Protein Sources All foods made from meat, poultry, fish, dry beans or peas, eggs, nuts, and seeds are protein foods. Dry beans and peas are part of this group as well as the vegetable group.

  14. Animal Sources: (Complete Proteins) Meat Poultry Fish Eggs Dairy Products Plant Sources: (Incomplete Proteins) Dry Beans Peas Nuts Tofu Grain Products Protein Sources

  15. Protein in the Diet • Protein is a part of a healthy diet • About 15 – 25% of our calories should come from protein

  16. Questions

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