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中文摘要：
目的：对补阳还五汤进行抗老年痴呆活性物质的研究。方法：补阳还五汤水提液用石油醚萃取后剩余水层采用硅胶柱层析,中高压制备液相等多种色谱技术进行分离纯化,根据理化常数及波谱分析鉴定化合物的结构。结果：从补阳还五汤水提液中分离得到5个化合物,分别为buxmicrophylline E（1）,4＇-O-methylkuwanon E（2）,bavachinone A（3）,bavachinone B（4）和albopunctatone（5）。结论：以上化合物均首次从补阳还五汤中分离得到。
英文摘要：
Objective： To study anti-Alzheimer＇ s disease chemical constituents of Buyang Huanwu Decoction. Methods： The compounds of the rest after using petroleum ether extraction of Buyang Huanwu Decoction were purified by silica-gel CC,MPLC and semi-preparative HPLC. Their structures were elucidated on the basis of physicochemical properties and extensive spectroscopic analyses. Results： Five compounds were isolated and identified as buxmicrophylline E（ 1）,4＇-O-methylkuwanon E（ 2）,bavachinone A（ 3）,bavachinone B（ 4） and albopunctatone（ 5）. Conclusion： All of compounds were isolated from Buyang Huanwu Decoction for the first time.
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