Kingherbs Limited (cara@kingherbs.com.cn)

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Botanical Name: Ampelopsis grossedentata W.T.Wang. Synonyms: 3,3',4',5,5',7-Hexahydroxyflavone; Cannabiscetin. 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-β–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).

Product Detail

Company Info

 

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.

KINGHERBS' main products are the followings, the others listed in website are trading items.
Astaxanthin
Resveratrol
Acai berry extract
Allium cepa / Onion extract
Angelica Dongquai extract
Aronia melanocarpa extract Black Chokeberry
Artemisinin artemisinin
Astilbin
Astragalosid
Banaba leaf extract
Birch leaf extract
Birch bark extract
Bilberry extract
Blueberry extract
Chicory extract inulin
Citrus aurantium extract
Cordyceps mycelia extract
Cat's claw extract
Cranberry extract
Cytisine
Dihydromyricetin
Elderberry extract
Evening primrose oil
Fenugreek seed extract
Filipendula ulmaria extract
Gingerols
Hawthorn extract
Hops extract
Lutein/marigold extract
Marigold root extract / Alpha-terthienyl
Luteolin
Mangiferin Mangosteen Extract
Mulberry leaf extract
Myricetin
Natural colors
Pomegranate seed oil
Reishi spore oil
Rose hips extract
Rosemary extract
Rosmarinic acid
Sea buckthorn seed/berry oil and extract
Sesamin
Taxifoliol /Distylin
Tea tree oil
Lycopene
Ursolic acid
Vegetable&fruit powder -Dietary Fiber
Zerumbone
Zeaxanthin

* Herbal extracts
* Softgels
* Herbal oil
* Natural colors
* Herb powders
* Vegetable & Fruit powder
* Vitamins
* Minerals

cara@kingherbs.com.cn
shawcara@hotmail.com
www.kingherbs.com.cn
http://astaxanthin.en.ecplaza.net
KINGHERBS LIMITED; MISS. CARA SHAW