The method of Soxhlet extraction is used to extract gromwell pigment from lithospermum.Three compounds are produced by applying techniques of column chromatography and recrystallization.
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- 本文利用索氏提取法从紫草中提取了紫草色素,利用柱层分析和重结晶技术进行了分离纯化,得到了三种化合物。