Any of your meats will contain protein. You can also find protein in egg whites, peanuts, peanut butter, jerky, and pork rinds.
Proteins are made up of chains of amino acids. All unrefined food has protein.
One-half cup of beans contains as much protein as an ounce of broiled steak. Plus, these nutritious nuggets are loaded with fiber to keep you feeling full for hours. Fifty grams of soy protein daily can help lower cholesterol about 3%. Eating soy protein instead of sources of protein higher in fat -- along with a healthy diet -- can be heart healthy.
animal proteins
Animal proteins are complete. Plants provide amino acids which can be used by your body to assemble proteins if enough of the right amino acids are present.
Soy and animal proteins such as meat, dairy products (except butter) and eggs contain complete proteins.
plant protein
Animal proteins are extended by being combined with carbohydrate foods and proteins that have spare proteins. This process is called protein sparing.
Proteins are found in both plant and animal cells
True Lean meats, poultry, fish, and eggs are the most concentrated source of protein. Many of these animal proteins are also good sources of iron and zinc.
proteins are structural materials, energy sources, and chemical messengers.
They switch to using lipids and proteins as -CH2- sources, and change to a Cellular-Material-Scavenging Mode.
All animal proteins are complete proteins. This includes protein from milk and eggs. Examples of foods classified as incomplete proteins are beans, grains and nuts.
The three sources are carbohydrates, proteins and lipids. There are more like vitamins, minerals, and water.
Animal vs vegetable proteins-role in human health