THE MANUFACTURING METHOD OF THE NATURAL DYE WHICH USED PERSIMMON JUICE, AND THE NATURAL DYE WHICH USED PERSIMMON JUICE, AND THE METHOD TO DYE OF THE NATURAL DYE WHICH USED PERSIMMON JUICE

摘要

PURPOSE: Natural dye using persimmon juice is provided to obtain soft fabrics with desired color through one time dyeing and to ensure excellent reproducibility. CONSTITUTION: A method for preparing natural dye using persimmon juice comprises: a persimmon juice preparation step; a fermentation step for forming tannin extract by accelerating fermentation while raising a temperature after protease and amylase enzymes are put into persimmon juice, and decomposing tannin included in persimmon juice; a stirring step for preparing a tannin composition by stirring the tannin extract and injecting alkali; and a pH adjustment step for controlling pH by adding acid to the tannin composition.