Method for extracting dihydromyricetin from ampelopsis grossedentata leaves

Abstract

The invention discloses a method for extracting dihydromyricetin from ampelopsis grossedentata leaves, which comprises the following steps: S1, picking fresh leaves, cutting the fresh leaves into small sections, and spreading for cooling; s2, performing fixation on the spread and cooled leaves in a steam fixation manner; s3, performing primary rolling on the obtained enzyme-deactivated leaves, and performing extrusion rolling by adopting a spiral auger; s4, performing primary fermentation on the obtained rolled leaves, and performing fermentation in an anaerobic fermentation box for 2 hours; s5, cooking the primarily fermented ampelopsis grossedentata leaves in a steamer, condensing steam, and collecting water in the steamer at the same time; s6, performing secondary rolling on the cooked leaves; s7, allowing the leaves subjected to secondary rolling to be subjected to secondary fermentation, wherein the fermentation time is 24 hours; s8, drying the leaves subjected to secondary fermentation, and then crushing; s9, mixing the crushed leaves with a solvent, stirring and filtering to obtain a solution; s10, mixing condensate water, steamer water and the solution ; and S11, filtering the mixed solution, and extracting the mixed solution.

Description

technical field [0001] The invention relates to the technical field of extracting dihydromyricetin, in particular to a method for extracting dihydromyricetin from the leaves of Grape dentata. Background technique [0002] Snake-toothed snake grape is a plant of the genus Snake Grape in the family Vitaceae, which is a unique plant in China. It contains 18 kinds of amino acids necessary for the human body, 22 kinds of trace elements and functional ingredients with a high content of flavonoids ≥ 6%, which has the effect of improving the human body. The function of immunity is especially suitable for those with weak constitution and low immunity. Its leaves are the main raw material of vine tea, which has unique effects, wide application, no toxic and side effects, and is suitable for all ages. Long-term drinking can comprehensively enhance the body's resistance, cure diseases and strengthen the body, and prolong life. As a health tea made from precious and pure natural wild pl...

AI Technical Summary

Problems solved by technology

During the extraction process of the existing dihydromyricetin, the processed vine tea is directly used for extraction. During the processing of the vine tea, part of the dihydromyricetin will be lost, resulting in a low extraction rate. The current extraction scheme is relatively mature. , this application is not about the extraction steps, but to obtain a higher extraction rate

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