Patent ID: 9669047
Date: 2017-06-06
CPC Classifications: A23L,A61K,A61P,C07D

Claim:
1. A method for producing a polyphenol composition comprising the following steps (1) and (2): (1) heating a mixture of a hardly water-soluble polyphenol (A) and a water-soluble polyphenol (B) to the temperature equal to or higher than the lowest melting point or glass transition temperature of the hardly water-soluble polyphenol (A) or the water-soluble polyphenol (B), thereby obtaining a heat-treated solution, wherein a content of aqueous medium in the mixture at the heat treatment is 10 mass % or less and wherein the water-soluble polyphenol (B) has the solubility in water at 25° C. of 10 g/L or more, and (2) cooling and solidifying the thus-obtained heat-treated solution.