Dihydromyricetin VS Myricetin
Where do dihydromyricetin and myricetin come from?
Vine tea [Ampelopsis grossedentata (Hand.-Mazz.) WT Wang] is a wild vine in the genus Vitaceae, mainly distributed in the Yangtze River Basin of China. etc. The main active ingredient is dihydromyricetin (DMY), and it also contains other flavonoids such as myricetin (MY), and its stem and leaf DMY content can reach 30%. Antioxidant, antihypertensive, atherosclerosis prevention, and other pharmacological effects, it is a natural pharmaceutical ingredient with great development prospects.
What is the difference between dihydromyricetin and myricetin?
Myricetin and dihydromyricetin are similar in structure and properties, but myricetin is the precursor of many leading drugs and can also be used directly as a drug. Some European countries have listed myricetin as a healthy food. Myricetin has been widely used in medicine, food, cosmetics, and health care products by the US Food and Drug Administration. At present, the main sources of myricetin are the bark of Myricetin and the leaves of Rhododendron Sinensis. Although my country has abundant resources, the content of myricetin in the bark of Myricetus is only 0.45%, while the content of Myricetin in the leaves of Rhododendron Sinensis is only 0.45%. About 1%, the extraction and separation process is difficult, resulting in a far shortage of myricetin products in the market, and the price of myricetin is high. The market price of myricetin with a purity of 98% is much higher than that of dihydromyricetin. There are a large number of flavonoids in the grapes of the snake, among which the content of dihydromyricetin is as high as 30%, and the resources are sufficient. Studies have shown that dihydromyricetin can be used as a raw material to take chemical semi-synthetic methods to synthesize myricetin.
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