Reducing .beta.-lactoglobulin content in whey protein...

A - Human Necessities – 23 – C

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99/51, 99/62

A23C 21/00 (2006.01) A23C 11/04 (2006.01) A23J 1/20 (2006.01) A23J 3/08 (2006.01)

Patent

CA 1243887

TITLE REDUCING .beta.-LACTOGLOBULIN CONTENT IN WHEY PROTEIN CONCENTRATES FOR INFANT FORMULA USE INVENTOR Shuryo Nakai ABSTRACT OF THE DISCLOSURE A low .beta.-lactoglobulin whey protein concentrate, suitable for incorporation into infant formula, can be made by controlling the pH of whey to about 3, adding an amount of aqueous ferric chloride suitable to precipitate most of the soluble proteins apart from .beta.-lactoglobulin, centrifuging and separating precipitate and supernatant, redissolving the precipitate in dilute acid, removing excess ferric ions, e.g. by ion exchange, and subsequently neutralizing and freeze-drying the product to yield the low .beta.-lactoglobulin whey protein concentrate. Such a whey protein concentrate may be employed in low .beta.-lactoglobulin infant formula before freeze-drying or after reconstitution with water by mixing about 2 parts of such a whey protein concentrate with 1 part of casein, such as modified bovine casein together with suitable amounts of fat, lactose, minerals and vitamins, to yield an infant formula with low .beta.-lacto- globulin content. Such a formula may be spray-dried for storage.

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