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咖啡酸在大鼠体内两个葡萄糖醛酸结合物的分离与鉴定 被引量:4

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摘要 目的研究咖啡酸在大鼠体内的代谢,并对咖啡酸在大鼠尿中两个葡萄糖醛酸结合物进行分离及结构鉴定。方法大鼠按100 mg/kg ig给予咖啡酸后收集尿样,以LC-MS/MS方法分析追踪代谢产物,采用大孔树脂、ODS开放柱、Sephadex LH-20和制备型高效液相色谱分离代谢产物。结果给药后尿样中检测到4种二相代谢产物,分别为2个咖啡酸葡萄糖醛酸结合物和2个咖啡酸硫酸结合物。结论咖啡酸在大鼠体内广泛代谢,首次采用分离方法获得2个咖啡酸葡萄糖醛酸结合物,并对其结构进行了鉴定。
出处 《中草药》 CAS CSCD 北大核心 2010年第6期949-952,共4页 Chinese Traditional and Herbal Drugs
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