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普洱茶籽乙醇提出物的正丁醇萃取部分，经酸水解后，分离出５种成分，经光谱和化学分析，分别鉴定为二十八烷烃，柚皮素和３种新酯酰基皂甙元２２Ｏ当归酸酯茶皂甙元Ｂ，２２Ｏ当归酸酯茶皂甙元Ｅ和２２Ｏ当归酸酯茶皂甙元Ａ。
The n-butanol extracted part of the ethanol extract of Pu’er tea seed was acid hydrolyzed and 5 components were separated. After spectroscopic and chemical analysis, they were identified as octacosane, naringenin and 3 kinds of neo-acyl azlactone 22 respectively. O Angelica Tea Saponin B, 22O Angelica Tea Saponin E and 22O Angelica Tea Saponin A.