METHOD FOR PRODUCING PERSIMMON POLYPHENOL DECOMPOSED PRODUCT

摘要

To provide a derived from a natural material that is obtained from persimmon, and whose functionality is enhanced.SOLUTION: A material containing persimmon polyphenol is treated in subcritical water to obtain a persimmon polyphenol decomposed product. It is preferable that a material containing persimmon polyphenol provided for the subcritical water treatment is a water-insoluble product obtained by performing astringency-removal treatment to persimmon fruit or an extract extracted by hot water from the water-insoluble product obtained by performing astringency-removal treatment to persimmon fruit. Because the persimmon polyphenol decomposed product according to the present invention has high inhibitory activity particularly against glucosidase, maltase, sucrase, amylase, it is useful as an active ingredient for suppressing rise of blood glucose level, for example.SELECTED DRAWING: None