Nantong Feiyu Biological Technology CO.,LTD.
We are professional supplier of Morin,Capsaicin,Ginsenoside,Astragaloside IV,Oridonin,Glabridin,Ophiopogonin D,Salvianolic acid A,Salvianolic acid B,Chlorogenic acid and so on.
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Country/Region:China
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Quercetin 95%
[synonyms]:3,5,7,3?4?-Pentahydroxyflavone
[Herb source]:The commonest flavonoid in higher plants ,usually present in glycosidic form (see rutin,isoquercitrin.quercitin,hyperin and quercimeritrin),but also isolated free from the families compositae,Passiflorae,Rhamnsceae and Solanaceae.
[Molecular Formula]: C15H10O7; [Molecular Weight]: 302.23 CAS: 6151-25-3
[Physics Properties]:yellow needle crystal [Pharmacology function]:Inhibits many enzymes ,e.g.,protein kinase C,lipogenases ,lens aldose reductase,3?5?-cyclic adenosine monophosphate phosphodiesterases,It is a radical scavenger,Quercetin also in hibits smooth muscle contraction ,and proliferation of rat lymphocytes .It is antibacterial,antiviral and antihepatotoxic,and shows some mutagenic activity and allergenic properties.
