Sources, isolation and properties of protein ingredients - Whey Proteins

5 important questions on Sources, isolation and properties of protein ingredients - Whey Proteins

What has a higher protein content, an isolate or concentrate?

Isolate

How much protein does whey protein concentrates contain?

35-80%

How much protein does whey protein isolates contain?

>90%
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What is the other 65% in a WPC-35?

Carbohydrates, mainly lactose in whey protein concentrates. Lactose can easily react in the Maillard reaction during heating, or prolonged storage and therefore variations in lactose can results in variations in protein modification due to processing.

How is the protein composition of a whey protein concentrate/isolate influenced?

By which kind of individual proteins are present. The techno-functional properties (solubility, foamability, emulsification, gel strength) are very different.

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