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用95％EtOH从紫穗槐叶子中提取出对大皱鳃金龟甲成虫、菜青虫有毒杀作用的活性组分,并用快速柱层析和薄层层析法对其进行了分离。紫穗槐的年生长期中以6月份鲜叶的毒效较高。
95% EtOH extracted from the leaves of Amorpha fruticosae adults and cabbage beetles toxic insecticidal activity of the active ingredient, and by flash column chromatography and thin-layer chromatography its separation. Amorpha fruticosa in the annual growth period in June the fresh leaves of higher toxicity.