Flavone is extracted from Momordica grosvenori leaf.Flavone aglycones is abtained from hydrolyzation and purified by solvent extraction, column chromato-gramphy.

• 摘要以罗汉果叶为原料提取出黄酮，黄酮经水解、溶剂萃取、柱层析等手段，得到高纯度甙元；