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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 oCPart 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-β–D-glucoside, taxifolin, apiin.

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Kingherbs was founded in 1996, specialized in high-value botanical derivatives. Over the years, the company grows from an international trader to a group which operates two factories, offers botanical & herbal ingredients for dietary, food supplement, food additive, nutraceuticals, cosmetics, natural nutrient product, pharmaceuticals and feed.

As a leading manufacturer and trader, Kingherbs offers extended services as to help clients source materials from trusted manufacturers in all parts of China, examples are Chemicals, Minerals & Vitamins and their premix, Fruit and vegetable Powders & concentrated Juices. Kingherbs can offer further processing services as soft gel, capsule,granule and tablet, saving clients the trouble of sourcing for themselves, and assuring quality from our intimate knowledge of the Chinese manufacturers and markets, and by visiting the suppliers personally.

Kingherbs is always up-to-date with current industry practices, and can produce and analyze ingredients according to any desired international standards: USP, EP, BP or CP. Kingherbs wants to be your favored supplier in China, by keeping our quality and services a step ahead.