Ion-Exchange Whey Protein

By: Technical Panel

Date: 11/03/2006

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IONIC EXCHANGE WHEY
This is a rather complicated and costly process to use and relatively only a very few number of companies in the world have the actual technology to use this type of processing. The beneifts of this form of processing are that it allows you to determine the exact fraction you require and achieve very low levels of fats, carbohydrates and lactose that may not be beneficial to the end product. During this processing method weak dilution of hydrochloric acid (HCL) are used (about the same HCL as in your own stomach) to break bonds between the resins (positively charged) and the electrical charge. The proteins being negatively charged are therefore attracted to the resins whereas the water, lactose, minerals and fat are not attracted and are left behind. The pH level does not fall below 4.6 and so the protein is not denatured. After the HCL has been added to release the bonds, sodium is normally added to increase the pH level to a neutral taste. Some whey uses a potassium salt to raise the pH level to a neutral taste. If this were not done then the protein would taste very bitter, acidic and unpleasant to taste. Those interested in bodybuilding competitions and are dieting to very low body fat should avoid ion exchange whey with added sodium unless a potassium salt is used as this can cause water retention and a higher appearance of body fat than is actually there. Once the protein is in liquid form it is dried. At this point too much heat could damage the protein and a cold spray drieing technique should be used.

With this form of processing it is possible to control the amount and quantities of protein fractions. Often ion exchange whey is high is BLG, probably not the best choice of protein fraction as it is quite prone to causing allergic reactions.

There is a little research to suggest that there is an increase in protein absoprtion when using ionic exchanged whey. An ion exchange whey protein is classed as a Whey Isolate with a protein percentage of 90% or above. A good ion exchange whey protein will generally mix very well and if any lumps exists in water, leaving to stand for about five minutes should see them dissolve. Often leaving a slightly bitter or tinny taste in the mouth after consumption.

There are 4 calories for every 1g of protein. 

 

COMPETITIVE SPORTS
It is generally considered that those athletes competing in extreme sporting conditions such as bodybuilding competitions, boxing and serious sprinting etc, may wish to steer clear of liquid protein drinks, meal replacements or weight gainers two weeks or so prior to a competition. This purely and simply is to do with the sodium content of many of these products. When trying to appear more muscular or bring down bodyweight stored body water can cause some problems. Techniques such as sodium depletion and carb loading are critical to the competing athlete and the sodium content of these liquid foods may be unbeneficial at these stages of contest preparation.

 

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Supplements Ingredients Dictionary

Technical Panel

01/09/2008

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Supplements Ingredients Dictionary : an alphabetical list of ingredients found in sports nutrition supplements. By clicking on 'View Detail' you can read a full write up about the item. If you want to know which products contain the ingredient, click on '

Supplements Ingredients Dictionary



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