Products Details 
Dihydromyricetin

Other names: Ampelopsin, ampeloptin           
Chemical name: (2R,3R)-3,5,7-Trihydroxy-2-(3,4,5-trihydroxyphenyl)chroman-4-one
Botanical origin: Ampolopsis grossedentata W.T.Wang. Or vine tea
Part of the plant used: Stems and Leaves
Specifications: Dihydromyricetin ( DMY ) 50%, 80%, 90%, 98% (HPLC) 
CAS No. : 27200-12-0 
Molecular structure & weight: C15H12O8, 320.25 
                   
Extract solvents: Ethanol & water 
Appearance: Fine white crystalline powder for the 98% above, the low content powder is light greenish white.
Solubility: Easy soluble in hot water, hot ethanol and acetone, soluble in ethanol, methanol, slightly soluble acetic ether, insoluble in chloroform, petroleum ether.
Stability: Stable in heat, but when heated to 100ºC above, it will be oxidized irreversibly. It is stable in acidity and neutral solution. Water solution of DMY will change slightly if heated above 80 Celsius degree.
Taste: The DMY taste slightly bitter, it affect the drink very little and the dosage is very small. KINGHERBS can also offer de-bitterness DMY for your specially formula.