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| | #11 (permalink) |
| Super Moderator Super Moderator Join Date: Oct 2004 Location: UK Posts: 1,334 Rep Power: ![]() | Isolate is too quickly absorbed on its own, personally I think the additional treatment whey undergoes in becoming isolate makes it less beneficial in many ways, among the disadvantages of ion exchange whey are the high price and limited supply. In addition studies show that ion-exchange whey protein isolates sometimes contain as much as 70 percent beta-lactoglobulin and as little as 10 percent alpha-lactalbumin. Those percentages aren't even similar to the ones that are naturally found in cow's milk and are significantly different from the proportions found in mother's milk, where alpha-lactalbumin content is high and there's no beta-lactoglobulin present. The significance is that beta-lactoglobulin is considerably more allergenic than alpha-lactalbumin in humans. The biologically active whey protein fractions, such as lactoferrin, are just about non-existent in true ion-exchange whey protein isolate. This has to do with the processing system used to produce ion-exchange whey, which doesn't favour the retention of the smaller vital whey protein fractions. It's a notable disadvantage because the limited whey fractions have considerable health benefits. The primary disadvantage of the filtered whey proteins as opposed to the ion-exchange variety is that the filtered types aren't as pure. True ion-exchange protein-specifically, Bipro-is 90 percent protein, while filtered whey protein isolates average 86.5 percent protein on an as is basis. The filtered whey also contains slightly higher fat and lactose contents, although the differences aren't significant enough to matter to a consumer. The advantages of filtered whey proteins include higher levels of valuable whey protein fractions, such as proteose peptone and lactoferrin, and the much-heralded glycomacropeptides. Lactalbumin is often used as a synonym for whey protein, which isn't quite correct. Another thing is board members get 25% discount and free delivery when ordering from the Extreme Nutrition website. 2.4kg of Whey for 30, no gum, no artificial sweetners, no hydrolised whey, just good shit that's easy to digest. ______________________ www.extremenutrition.co.uk - 25% OFF FOR ALL MC MEMBERS, discount code MCD25. www.betterbodies.uk.com Seriously cheap sports nutrition! DYNALYNE, the strongest fat burner ever, ONLY £24.95! |
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