Methods Artemisinin is extracted with petroleum ether and pass column of silica gel and gradient elution with ethyl acetate,then it is tracked with TLC and detected with UV-VIS.
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方法青蒿经石油醚提取浓缩,浸膏经过硅胶柱,用不同配比的乙酸乙酯洗脱,用TLC法跟踪,UV法检测。
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