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取大麻(Cannabis sativa)的果实(10kg),以沸水-乙醇(81×3)提取。将提取液浓缩到41后,用氯仿(201)和正丁醇(201)顺次提取。对正丁醇提取液进行浓缩干燥得到一棕色固体(239.1g)。在Diaion HP-20柱上层析,用水(401)洗脱后,再用甲醇(501)洗脱。甲醇洗脱液经浓缩后得到一黄色固体(171.7g)。黄色固
The fruit of Cannabis sativa (10 kg) was taken and extracted with boiling water-ethanol (81×3). The extract was concentrated to 41 and sequentially extracted with chloroform (201) and n-butanol (201). The n-butanol extract was concentrated and dried to give a brown solid (239.1 g). The column was chromatographed on a Diaion HP-20 column, eluted with water (401) and eluted with methanol (501). The methanol eluate was concentrated to give a yellow solid (171.7 g). Yellow solid