Protein Protein is important in our food because it is the largest part of the Body cells, Body tissues and Body fluids
Protein has multiple functions Build and repair body tissue Maintain cell growth Energy Aid in formation of enzymes Hormones and antibodies
Must be supplied daily Constantly needed to replace wear and tear of tissue and keep up protein concentration in the blood serum
Protein provides energy Can take the place of some fat and carbohydrate Excess protein converted to energy Stored as fat
Fats and carbs cannot replace protein Needed to replace wear and tear of tissue and keep up protein concentration in the blood Excess protein, once converted to energy, cannot convert back to protein
The best animal sources of protein Milk Eggs Fish Poultry Red Meat
Excessive Protein Converted back to energy May do more harm than good Not necessary to eat a lot.
Amino Acids Building Blocks from which new proteins are made. There are 22 different ones, but 9 are essential for good health.
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
Complete protein plant sources Soybeans (tofu) Quinoa
Incomplete Amino Acids Provide normal maintenance Do not support growth Some plant foods contain protein, but not all essential amino acids Beans Nuts and grains legumes, peanut butter, peas
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