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从葛根的茎和种苗成功地诱导出葛根愈伤组织。用乙醇回流法提取出愈伤组织的次生代谢产物，ＵＶ分析测定结果：提取物中含有葛根黄酮
Puerariae callus was successfully induced from stems and seedlings of Pueraria lobata. The secondary metabolites of the callus were extracted by ethanol refluxing. The results of UV analysis showed that the extract contained pueraria flavonoids.