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.
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,
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 very 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.
Ampelopsis grossedentata is called Teng Cha in China, as a Chinese
Herbal Medicine it has a glycol flavor, the nature is cool; it can alleviate
fevers, drunkness, cure rheumatism, strengthen physique, diuresis, and
many other functions.
Ampelopsis grossedentata contains rich flavones, amino acids, vitamins;
proteins and essential trace element.
The flavones are mainly dihydromyricetin, myricetin, quercetin, quercetin-5-O-β-D-glucoside, taxifolin, apiin.
Protect liver, HELP recovery from drunkness. Dosage range suggested for hangover 1-8mg/kg body weight, based on DHM 80%
Clear the free radical,
Preventing the forming of the thrombus,
Anti-tumour, especially it is under researches for leukemia, nasopharyngeal
Used in feed as antioxidant, controlling E.coli, aflatoxin, mold in the feed.
Helps improving the taste and flavors of the poultry meat.