3-O-methylquercetin (BioDeep_00000267614)

描述信息

Quercetin 3-methyl ether, also known as 3,4,5,7-tetrahydroxy-3-methoxyflavone or isorhamnetin, is a member of the class of compounds known as 3-o-methylated flavonoids. 3-o-methylated flavonoids are flavonoids with methoxy groups attached to the C3 atom of the flavonoid backbone. Thus, quercetin 3-methyl ether is considered to be a flavonoid lipid molecule. Quercetin 3-methyl ether is practically insoluble (in water) and a very weakly acidic compound (based on its pKa). Quercetin 3-methyl ether can be synthesized from quercetin. Quercetin 3-methyl ether can also be synthesized into 3-O-methylquercetin 7-O-beta-glucopyranosyl-4-O-beta-D-glucopyranoside. Quercetin 3-methyl ether can be found in common bean, which makes quercetin 3-methyl ether a potential biomarker for the consumption of this food product.
3-O-Methylquercetin (3-MQ), a main constituent of Rhamnus nakaharai, inhibits total cAMP and cGMP-phosphodiesterase (PDE) of guinea pig trachealis. 3-O-Methylquercetin (3-MQ) exhibits IC50 values ranging from 1.6-86.9 μM for PDE isozymes (PDE1-5)[1].
3-O-Methylquercetin (3-MQ), a main constituent of Rhamnus nakaharai, inhibits total cAMP and cGMP-phosphodiesterase (PDE) of guinea pig trachealis. 3-O-Methylquercetin (3-MQ) exhibits IC50 values ranging from 1.6-86.9 μM for PDE isozymes (PDE1-5)[1].

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