Methods: Extracted by EtOH, purified by 732-positive ion exchange resin.
方法：全草粗粉用乙醇提取，强酸型732阳离子树脂交换纯化。
CONCLUSION The EtOH extraction of roasted Perilla seed can inhibit 5-lipoxidase activity.
结论紫苏子醇提取物能够抑制5 -脂氧酶酶活性。
Methods Gimeracil polymorphs were prepared by alkali-acid treatment or recrystallization with EtOH, MeOH, etc.
方法分别以“碱溶-酸析”法或甲醇、 乙醇等有机溶剂重结晶法，制备吉美拉西的多晶型。
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