Product Description

Botanical Name: Ampelopsis grossedentata W.T.Wang. Synonyms: 3,3',4',5,5',7-Hexahydroxyflavone; Cannabiscetin; Myricetol; Myricitin Chemical Name: 3,5,7-trihydroxy-2-(3,4,5-trihydroxyphenyl)-4H-chromen-4-one Botany: Myricetin is flavonol, found in many grapes, berries, fruits, vegetables, herbs, as well as other plants. Walnuts are a rich dietary source. Kingherbs is used from the Ampelopsis grossedentata, it is called Teng cha in China. Myricetin is consisting of 3-hydroxyflavone backbone and 6 hydroxyl groups. Pure Myricetin mainly occurs in nature in the form of glycosides. Function: 1. Clear the free radical; 2. Anti-oxidation; 3. Modify LDL cholesterol, improve heart health by preventing LDL oxidation and reducing the uptake of oxidized LDL by macrophages; 4. Diminish inflammation; 5. Anti-fungi/bacterium; 6. Preventing the forming of the thrombus, 7. Anti-tumour & cancer, antimutagenic, especially good for prostate cancer, leukemia, nasopharyngeal darcinoma/NPC, pancreatic cancer; 8. Protect liver; 9. Improve bone-health; 10. Myricetin inhibits the uptake of methylglucose by adipocytes, reduces oxidative injury in diabetes related bone diseases and reduces glucose plasma level in diabetic rats; 11. Myricetin inhibits ROS production caused by glutamate and reduces glutamate-induced activation of caspase-3. Myricetin restored dopamine level in laboratory animals with induced Parkinsonism. Myricetin may also inhibit beta-amyloid fibril formation in Alzheimer patients. Active Ingredient: Ampelopsis grossedentata contains rich flavones, amino acids, vitamins; proteins and essential trace element. The flavones are mainly dihydromyricetin, myricetin, quercetin, quercetin-5-O-ß–D-glucoside, taxifolin, apiin. Myricetin: CAS#: 529-44-2 EINECS: 208-463-2 Molecular Formula: C15H10O8 Molecular Weight: 318.24 Part of the plant used: Leaf. Appearance: Fine yellow-beige crystalline powder. Extract solvents: Ethanol & water. 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°C above, it will be oxidized irreversibly. It is stable in acidity and neutral. Test Method: HPLC. Specification: Myricetin 50%, 80%, 98% (HPLC).