A food-grade composition comprises a food of food-grade material, whey colloidal precipitate and water. The whey colloidal precipitate may effect the physical properties of clouding, stabilizing, gelling and emulsifying. The whey colloidal precipitate is a complex precipitate of whey in colloidal size ranges and is characterized by its ability to gell water and petroleum ether, is white in color, may be dried to a free- flowing powder and has no disagreeable whey taste.
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