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。
The crudes were purified by silica gel chromatograph and the crude peptides were purified by recrystallization using EtOH and H_2O.
反应后得到的粗品用硅胶柱色谱纯化,粗品肽用乙醇和水重结晶。
METHODS The constituents of EtOH extraction from the whole plant of Saussurea involucrata were isolated and purified by repeated column chromatography.
方法对新疆雪莲全草乙醇提取物的各个萃取部位进行反复柱色谱,根据光谱数据和理化性质确定化合物结构。
EtOH was added showed a drastically increase of alkaloid content, particularly scopolamine was significantly increased compared with the control cultures.
添加无水乙醇能够有效促进三分三毛状根生物碱的合成,使其生物碱含量显著提高;
EtOH was added showed a drastically increase of alkaloid content, particularly scopolamine was significantly increased compared with the control cultures.
添加无水乙醇能够有效促进三分三毛状根生物碱的合成,使其生物碱含量显著提高;
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