Quercetin 98% (Quercetin 98%)

[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
[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.

Post Date:	4/20/2008
Expiry Date:	7/19/2008