fisetin

Fisetin is a polymer pharmaceutical raw material. This product is a yellow needle-like crystal, which is derived from RhussuccedaneaL, Cotinus and so on. Soluble in ethanol, acetone and acetic acid. Almost insoluble in water, ether, benzene, chloroform and petroleum ether

For content determination/identification/pharmacological experiments, etc. Pharmacological effects: 1. Inhibition of prostaglandins: It has an inhibitory effect on the formation of prostatic cord in fibroblasts of 3T3 mice transformed by methylcholanthrene, and the median effective inhibitory concentration (ID50) is 42.0UM. 2. Enzyme inhibition: It has inhibitory effect on the whole sugar reductase of rat eye lens, and the half effective inhibitory concentration is 10-6M. 3. Antispasmodic: For mouse small intestine specimens, its antispasmodic effect of acetylcholine is 166% of that of papaverine

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