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番石榴果实中三萜类成分研究

Keywords: 番石榴,化学成分,乌苏烷,三萜

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Abstract:

目的:研究番石榴果实的化学成分。方法:采用各种色谱技术分离,波谱法进行结构鉴定。结果:从番石榴果实中分离得到9个乌苏烷型三萜类化合物:乌苏酸(1),1β,3β-二羟基乌苏烷-12烯-28-酸(2),2α,3β-二羟基-12-烯-28-乌苏酸(3),3β,19α-二羟基-12-烯-28-乌苏酸(4),19α-羟基-12-烯-28-乌苏酸-3-O-α-L-阿拉伯吡喃糖(5),3β,23-二羟基-12-烯-28-乌苏酸(6),3β,19α,23-三羟基-12-烯-28-乌苏酸(7),2α,3β,19α,23-四羟基-12-烯-28-乌苏酸(8),3α,19α,23,24-四羟基-12-烯-28-乌苏酸(9)。结论:化合物2,5~9为首次在该植物中分离得到。

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