Process of extracting dihydromyricitrin from vine tea

Abstract

The present invention discloses the process of extract dihydromyricitrin from vine tea. The process includes soaking vine tea leaf in solvent, filtering, microwave irradiating wet vine tea leaf, merging filtrate, extracting in heating water bath, filtering the hot extracting liquid, dissolving the filtrate, and recrystallization in cold water for purifying. The process has high extraction rate, simple operation and less side product.

Description

Technical field [0001] The invention relates to the technical field of biochemistry and traditional Chinese medicine modernization, in particular to a method for extracting dihydromyricetin from rattan tea. Background technique [0002] Tengcha is a very ancient Chinese medicine resource, tea-like plant resource and medicinal and edible plant resource. Tengcha is recorded in the history of flora and the list of medicinal plants. Tengcha is a plant with a long history. Like other Chinese herbal medicines, it has played an important role in the struggle between mankind and nature. Today, with the continuous deepening and development of human understanding of nature and the continuous improvement of human research level, rattan tea will become an important plant resource for mankind. [0003] "Tengcha (also known as wild vine tea, white tea, white tea cake), belongs to the grape family, Snake grape genus, scientific name is Ampelopsis grossedentata (Ampelopsis grossedentata), is a p...

AI Technical Summary

Problems solved by technology

At present, the extraction of dihydromyricetin mainly comes from plants of the genus Vitis vinifera. The extraction process is cumbersome and the extraction rate is low, only about 20%.