Dihydromyricetin Powder CAS 27200-12-0

Dihydromyricetin powder is an extract of a wild woody vine plant (vine tea) belonging to the genus Grapevine in the Vitaceae family. Teng tea, also known as "berry tea", "Shentang Berry", "Maoyan Enzyme tea", "Longevity Vine", etc., has a folk custom of drinking berry tea since ancient times, which can be traced back to the time when Shennong tasted a hundred herbs in ancient times. It has a history of more than 6,000 years. The earliest "Collected Works of the Book of Songs" in China called it "Ancient Tea Gou Teng". The taste is bitter at first and then sweet, with a strong aftertaste. Dihydromyricetin is an extract of the vine tea, a plant of the genus Grapevine. It is the main active component, flavonoids, in Vine Tea. Such substances have a variety of unique effects, including eliminating free radicals, antioxidation, anti-thrombosis, anti-tumor, and anti-inflammatory. Dihydromyricetin is a rather special type of flavonoid compound. It can relieve alcohol poisoning, prevent alcoholic liver disease and fatty liver, inhibit the deterioration of liver cells, reduce the incidence of liver cancer, have antihypertensive effects, inhibit platelet aggregation in vitro and thrombosis formation in vivo, and lower blood lipid and blood glucose levels. It has special effects in enhancing SOD activity and protecting the liver.

Extraction method
A method for extracting Dihydromyricetin from vine tea, specifically including the following steps:
(1) Soak the dried leaves of the vine tea in a solvent;
(2) Filtration: The wet vine tea leaves are subjected to microwave radiation treatment.
(3) Combine the filtrate with the vine tea leaves that have been subjected to microwave radiation and extract them by heating in a water bath.
(4) Filter while hot and separate the filtrate by crystallization.