Kyowa Hakko Kogyo Co., Ltd.

Ayako Muromachi

Motokazu Nakayama

Iwao Sato

Shinpei Harada

Provided are a method for producing a protein-containing acidic food and drink that comprises processing a protein emulsion having a pH value that is higher than the isoelectric point of the protein in the emulsion at a high temperature to make the emulsion having a pH value that is lower than the isoelectric point of the protein; the protein-containing acidic food and drink produced in the method; protein-containing acidic food and drink containing protein, fat and oil, and water-soluble polysaccharide, in which the particles dispersed have a mean particle size of not greater than 15 &mgr;m; and a protein-containing acidic drink containing protein, fat and oil, and water-soluble polysaccharide, in which the particles dispersed have a mean particle size of not greater than 15 &mgr;m and/or having a viscosity not greater than 20 centipoises (cPs). The protein-containing acidic food and drink is smooth, tasteful, palatable and has good storage stability.

Protein-containing acidic foods and drinks

The present invention relates to a whey mineral containing at least 0.8 g/kg or above of zinc and to a process for producing the same. The whey mineral of the present invention have good flavors and are useful in liquid formula, medical foods, nourishing reinforced foods, functional foods, seasonings, etc.

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Tsuchiura, Japan

Ayako Muromachi