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The liquid remaining after milk solids (fat and casein) are removed. Dried whey contains about 13% protein, 71% lactose, 2.3% lactic acid, 4.5% water, and 8% ash. Whey is an inexpensive byproduct of cheese making. Whey is used as a source for lactose, an animal feed, and as an additive in rigid polyurethane foams.

Synonyms and Related Terms

suero (Esp.)

Sources Checked for Data in Record

  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 152
  • The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998
  • Encyclopedia Britannica, http://www.britannica.com Comment: "whey." Encyclopædia Britannica. 2004. Encyclopædia Britannica Premium Service. 28 Oct. 2004 .