Basic Info.
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).
Company Profile
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Business Type:
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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. |
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Comapany: |
Kingherbs |
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Year of
Establishment: |
1996 |
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Address: |
901#.3fl.wanshudandi.xiangzhang rd. |
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City: |
Changsha |
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Zip/Postal: |
410014 |
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Country: |
China |
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