Transcript Protein
Protein Complete and Incomplete 1. Protein has multiple functions • Build and repair body tissue Maintain cell growth Energy 2. How often must protein be replenished? Must be supplied daily. Constantly needed to replace wear and tear of tissue and keep up protein concentration in the blood serum 3. Why can protein take the place of carbs and fat? Protein provides energy! Can take the place of some fat and carbohydrate Excess protein converted to energy Stored as fat 4. Carbs and Fats cannot take the place of protein . . . Needed to replace wear and tear of tissue. 5. What are the best source of protein? Milk Eggs Fish Poultry Red Meat 6. What happens to excessive amounts of protein? 1. Converted back to energy 2. May do more harm than good 7. What are amino acids? Building Blocks from which new proteins are made. 8. How many essential amino acids are necessary? There are 22 different ones, but 9 are essential for good health. 9. A food that has all 9 amino acids is called? A complete protein. 10. All animal proteins are classified as: Complete proteins! 11. Five examples of complete proteins: 1. 2. 3. 4. 5. Eggs Beef Poultry Fish Pork 12. Define incomplete proteins: Incomplete proteins lack all nine essential amino acids. Like: Brewers Yeast Certain nuts Soybeans (tofu) Cottonseed Germ of grains 13. From what food sources can incomplete proteins be obtained? Plant foods like: • Beans Nuts grains legumes peanut butter 14. Why do we need to eat a variety of protein type foods? 1. Make certain the body gets all the essential • amino acids. 15. How can incomplete proteins be made useful to the body? 1. Make into complete proteins by: 1. 2. Combine plant and animal food Combining plant protein from variety of cereals and grains 16. What happens to incomplete proteins that are no needed by the body? Nutrients are used for other purposes, like carbs, vitamins, minerals, and fats. 17. How can animal proteins be extended? • By adding a little protein and other nutrients like carbs: Chicken and Rice Chili con carne Macaroni and Cheese Tuna Noodle Casserole 18. How does the body use protein when there are not enough carbs or fats in the diet? Protein is burned for energy. Each gram of protein has 4 calories. 19. How much protein is required each day? Based on a 2000 calorie diet 5 ½ to 6 oz. per day. 20. Insufficient protein in the diet may manifest itself in several ways: 1. Lower one’s resistance to disease, 2. Tiredness and lack of energy 3. Stunt growth *Not common in U.S.