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The part that does not go through UF is spray-dried into a concentrated whey protein. [5] There are also other ways to concentrate protein using filtration membranes. [6] Ion exchange chromatography is another major method for whey protein extraction. Methods in development include aqueous two-phase extraction and magnetic fishing. [6]
For bodybuilders, whey protein provides amino acids used to aid in muscle recovery. [15] Whey protein is derived from the process of making cheese from milk. There are three types of whey protein: whey concentrate, whey isolate, and whey hydrolysate. Whey concentrate is 29–89% protein by weight whereas whey isolate is 90%+ protein by weight.
Containers of whey protein being sold at a health food store. Whey protein is commonly marketed as a dietary supplement, and various health claims have been attributed to it in the alternative medicine community. [18] Although whey proteins are responsible for some milk allergies, the major allergens in milk are the caseins. [19] [20]
Usually made from whey, plant, and/or meat sources. Protein supplements are extracts or concentrates of high protein foodstuffs, used in bodybuilding and as dietary supplements to fulfill protein intake in a lean and pure source of proteins and amino acids. They have three main variants: concentrate (food is taken and concentrated into a ...
The casein and whey proteins, however, will not pass through the membrane due to their larger molecular size. The proteins, lactose, and minerals that do not go through the membrane are then spray dried. [2] Spray drying and evaporation further concentrate the remaining materials to form a powder. [1]
Natural protein concentrates (often used in bodybuilding or as sports dietary supplements): Soy protein isolate (prepared with sodium or potassium): 80.66; Whey protein isolate: 79; Egg white, dried: 81.1; Spirulina alga, dried: 57.45 (more often quoted as 55 to 77) Baker's yeast: 38.33; Hemp husks 30