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  1. #1
    Registered User protein's Avatar
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    what is protein powder made out of

    is protein powder such as Prorated whey made out of meat or soy or eggs ? how do they "squeeze" the protein out of the raw material and compress them into powder form ? also what do they do with the leftover of the raw materials ? everytime I take a whey protein drink I've always wondered how do they pack so much protein into a little scoop......
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    Senior Member OMEGA's Avatar
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    Whey Protein is form a Dairy Process

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    Registered User lololol's Avatar
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    whey is found in milk. supplement companies get their whey from cheese factories. whey protein is a byproduct from making cheese.
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    Re: what is protein powder made out of

    Originally posted by protein
    I've always wondered how do they pack so much protein into a little scoop......
    Chicken, beef, etc. is only about 22% protein by weight because it contains,

    - fat
    - humidity/water
    - minerals
    - ash
    etc.

    These take quite some volume and weight - hence the lower percentage of protein in animal flesh, eggs etc.

    Protein powder is protein isolated from most of these nutrients via filtering/chemical processes. It can hence yield between 60-90+ % protein by weight.

    i.e. a small 25g scoop of powder would be about 21g of protein.
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    Registered User afrolov's Avatar
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    Whey is a by-product of cheese production. It's a yellowish liquid. They purify it and isolate the whey itself in the form of a poweder.
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    Registered User protein's Avatar
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    so then, if whey protein is basically just compressed(or leftover) cheese byproduct, then how do they eliminate the fat that comes with cheese ? the whey protein powder only has typically 1.5g of fat per 22g protein. That's significantly lower fat than most cheeses.
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    Registered User afrolov's Avatar
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    The liquid itself basically contains almost no fat - the fat is what makes the cheese itself.
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