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Article: Whey, once a marginal byproduct, comes into its own.
- Article from:
- Frozen Food Digest
- Article date:
- July 1, 2008
CopyrightCOPYRIGHT 2008 Frozen Food Digest, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Whey, a natural byproduct of cheese production, was once discarded or used as animal feed. Recently, however, it has been "discovered" by traders and food processors for its high protein content and other properties as a food additive. As a result, the price of whey, which fluctuated between 14 and 34 cents per pound from 1999 to mid-2006, reached an all-time high of 78 cents in April 2007, before falling to 43 cents in November 2007. In addition to benefiting from increases in domestic demand due to whey's versatility as a food ingredient, whey prices have benefited from increased international demand, fueled by higher incomes and production shocks.
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... ... Arkansas chemists have developed membranes fabricated from whey protein isolates (WPI), a dairy industry by- product usually ... of membranes made of WPI are suitable for separation. The North American Membrane Society awarded Teo, who graduates next spring ...
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