化学性质：                                                                                                             

产品描述：                                                                                                            

Quassin is a quassinoid that has been found in Q. amara and has diverse biological activities.1,2,3 It is active against chloroquine-sensitive and -resistant strains of P. falciparum (IC50 = 0.15 µM for both).1 Quassin has antifeedant and insecticidal activity against the diamondback moth (P. xylostella) when applied to dietary cabbage leaf discs at 16, 31.9, or 63.7 µg/cm2.2 It increases viability of SH-SY5Y cells in a model of hydrogen peroxide-induced neuronal injury when used at concentrations of 25, 50, or 100 µM.3

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