Specification :

Myricetin

Synonyms: 3, 3' , 4' , 5, 5' , 7-hexahydroxyflavone, Cannabiscetin, Myricetol, Myricitin
Chemical name: 3, 5, 7-Trihydroxy-2-( 3, 4, 5-trihydroxyphenyl) -4H-1-benzopyran-4-one
Botanical origin: Ampolopsis grossedentata W.T.Wang.
Specification: Kingherbs have myricetin 50% , 80% , 98% by HPLC
CAS No. : 529-44-2
EINECS: 208-463-2
Molecular structure & weight: C15H10O8, 318.24
Melting point: 360 oC
Part of the plant used: Leaf
Extract solvents: Ethanol & water
Appearance: Kingherbs 98% myricetin is a fine yellow-beige crystalline powder.
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 100 above, it will be oxidized irreversibly.
It is stable in acidity and neutral.

Myricetin is flavonol, found in many grapes, berries, fruits, vegetables, herbs, as well as
other plants. Walnuts are a rich dietary source. It consisting of 3-hydroxyflavone backbone
and 6 hydroxyl groups. Pure Myricetin mainly occurs in nature in the form of glycosides.

Kingherbs use Ampelopsis grossedentata for myricetin, it is called Teng Cha in China, as a
Chinese Herbal Medicine it has a glycol flavor, the nature is cool; it can alleviate fevers,
dis-intoxicate, cure rheumatism, strengthen physique, diuresize, 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-² – D-glucoside, taxifolin, apiin.

Specification: Kingherbs have myricetin 50% , 80% , 98% by HPLC