2 Protein has multiple functions Build and repair body tissueMaintain cell growthEnergy
3 How often do we need Protein? Daily!The body does not produce protein. You must eat it.Every night your body uses protein to repair body tissue.Excess protein is converted to fat tissue.
4 Not enough fats or carbs? If your body doesn’t have enough carbohydrates or fat…it will burn protein.SO…protein can be used as a source of energy, it can take the place of carbs and fat if needed.BUT…It breaks down muscles and protein into glucose to use for energy thus deteriorating muscles.
5 Protein needs influenced by AgeBody SizeQuality of the proteinsPhysical state of the person
6 The best sources of protein Come from animalsMilkEggsFishPoultryRed Meat5 ½ ounces per day or 2-3 “servings”4 calories per gram of protein
7 Proteins are made of Amino Acids Building Blocks from which new proteins are made.There are 22 different amino acids9 are essential for good health.
8 A Complete Protein Any food that has all 9 essential amino acids. All animal proteins are complete proteins.Exceptions:soy bean
9 Incomplete Proteins Lack 1 or more essential amino acids Comes from plantsCan be made complete when combined with other incomplete proteins.Sources:NutsLegumes (dried beans), Grains and Cereals
10 SO….. Knowing what you now know about proteins, why would it be important to eat a variety of foods that contain proteins?Variety can make protein completeCombine plant and animal foodCombining plant protein from variety of cereals and grains
11 Incomplete Combinations Peanut butter + wheat breadCereal + milkMac + cheeseIf you don’t use all the incomplete proteins they are either eliminated or converted to fat.
12 “Sparing” = Extending Proteins Combining plant protein with animal protein or carbsExamplesChicken and RiceChili con carneTuna Noodle Casserole