Method for producing liquid product having high content of water-soluble tannin of astringent persimmon and persimmon peel by complex treatment of ultra high pressure extraction and enzyme

摘要

The present invention comprises the steps of (a) drying persimmon persimmon or persimmon peel to produce persimmon powder; (b) ultra-high pressure extraction of the mixture of water added to the persimmon powder prepared in step (a); (c) hydrolyzing the enzyme after adding the enzyme to the ultra-high pressure extract of step (b); And (d) heating the hydrolyzed extract of step (c), and then sterilizing and filtering the supernatant obtained by centrifugation, and producing a persimmon extract containing a high concentration of water-soluble tannins. It relates to a persimmon extract containing a high concentration of water-soluble tannin prepared by the above method.