Synonyms: ( )-Dihydromyricetin;(2R, 3R)*3, 5, *-Trihydroxy**-(3, 4, *-trihydroxyphenyl)chroman**-one; Ampelopsin Description: Vine tea is one of a rare plant. Botanical name is ampelopsis grossedentata, it is one kind of typical tea plant, \"Chinese Herbal Medicine Collection\" wrote that the vine tea (Teng Cha ) has a glycol flavor, the nature is cool; it can alleviate fevers, dis-intoxicate, cure rheumatism, strengthen physique, diuresize, and many other functions. The vine tea (Teng Cha) contains rich flvones, amino acids, vitamins; proteins and essential trace element, in which the content of total flavones, and Dihydromyricetin elementis are especially high. Function: Dihydromyricetin can be used to clear the free radical. It also have the effect of anti-oxidation, preventing the forming of the thrombus, anti-tumour. It is also good to the liver. *****:********0 Molecular Formula:C*5H*2O8 Molecular Weight:**0.*5 Useful Part: Leaf. Appearance:White Powder. Specification: Dihydromyricetin DMY *0% , *8% (HPLC). Test Method: HPLC.