Thursday, January 22, 2009

Benefits of Whey Protein

By Paul Gleason

Whey protein is a natural byproduct from enzyme and acid produced cheese making. Whey protein is a component of all mammalian milk. The percentage of protein in cow's milk is 3.75%. The total protein content is made up of 80% casein protein and 20% whey protein. During the cheese making process coagulation of the casein protein begins, this is the curd, and what's left is a liquid stream of whey.

Whey protein is a natural byproduct from enzyme and acid produced cheese making. Whey protein is a component of all mammalian milk. The percentage of protein in cow's milk is 3.75%. The total protein content is made up of 80% casein protein and 20% whey protein. During the cheese making process coagulation of the casein protein begins, this is the curd, and what's left is a liquid stream of whey.

Whey protein is a natural byproduct from enzyme and acid produced cheese making. Whey protein is a component of all mammalian milk. The percentage of protein in cow's milk is 3.75%. The total protein content is made up of 80% casein protein and 20% whey protein. During the cheese making process coagulation of the casein protein begins, this is the curd, and what's left is a liquid stream of whey.

Two whey protein powders were named: Whey Protein Concentrate and Whey Protein Isolate. Whey Protein Concentrate has a protein content of about 80% and Whey Protein Isolate has a protein content of 90%. New technology developed in 2005 can now isolate whey protein in excess of 95%.Whey protein is a complete protein, which means it contains all the essential amino acids needed for muscle growth and repair from stressful events, i.e. resistance training, endurance training, life-stressors.

Whey is made up of many protein fractions. The main two are Beta-Lactoglobulin and Alpha-Lactalbumin. These two proteins alone make up 75% of the protein content in whey. Other protein fractions include Glycomacropeptide, Lactoferrin, Bovine Serum Albumin, Immunoglobulins, Lactoperoxidase, Lysozyme, Relaxin, Gamma-globulins, Lactollin and B-Microglobulin. However, new fractions will be discovered with the progression in new protein isolation techniques. - 17944

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