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丽江獐牙菜化学成分及抗乙肝病毒活性研究(英文) 被引量:9

Chemical constituents of Swertia delavayi and their anti-hepatitis B virus activity
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摘要 利用各种色谱方法对丽江獐牙菜Swertia delavayi全草的化学成分进行提取、分离和纯化,得到15个单体化合物,通过波谱数据分析(MS,1H,13C-NMR)对其结构进行鉴定,分别为红白金花内酯(erythrocentaurin,1)、红白金花内酯缩二甲醇(erythrocentaurin dimethylacetal,2)、獐牙菜苷(sweroside,3)、獐牙菜苦苷(swertiamarin,4)、龙胆苦苷(gentiopicroside,5)、贵州獐牙菜苷A(swertiakoside A,6)、2'-O-乙酰基獐牙菜(2'-O-acetylswertiamarin,7)、4'-O-[(Z)-对香豆酰基]獐牙菜苦苷(4'-O-[(Z)-coumaroyl]-swertiamarin,8)、1,5,8-三羟基-3-甲氧基酮(1,5,8-trihydroxy-3-methoxyxanthone,9)、8-O-β-D-吡喃葡萄糖-1-羟基-2,3,5-三甲基酮(8-O-β-D-glucopyranosyl-1-hydroxy-2,3,5-trimethoxyxanthone,10)、8-O-[β-D-吡喃木糖-(1→6)-β-D-吡喃葡萄糖]-1羟基-2,3,5-三甲氧基酮(8-O-[β-D-xylopyranosyl-(1→6)-β-D-glucopyranosyl]-1-hydroxy-2,3,5-methoxyxanthone,11)、异牡荆素(isovitexin,12)、齐墩果酸(oleanolic acid,13)、β-谷甾醇(β-sitosterol,14)和胡萝卜苷(daucosterol,15),其中化合物1~4,7~11,13是首次从丽江獐牙菜中分离得到。在体外利用Hep G 2.2.15细胞系对得到的单体化合物进行了抗乙肝病毒活性测试,其中化合物1,2,6,7,9和12具有明显的抑制HBV DNV的复制活性,其IC50值为0.05~1.46 mmol·L-1。 Fifteen known compounds were isolated from Swertiadelavayiby silica gel, Sephadex LH-20 and Rp-18 column chroma- tographies. Based on extensive spectroscopic analysis ( MS, 1 H, 13 C-NMR), their structures were identified aserythrocentaurin ( 1 ), erythrocentaurindimethylacetal (2), sweroside ( 3 ), swertiamarin ( 4 ), gentiopicroside ( 5 ), swertiakoside A ( 6 ), 2'-O-acetylswertiama- tin ( 7 ) ,4'-O- [ (Z) -coumaroyl ] swertiamarin ( 8 ), 1,5,8-trihydroxy-3-methoxyxanthone ( 9 ), 8-O43-D-glucopyranosyl-1 -hydroxy-2,3, 5-trimethoxyxanthone(10), 8-O-[β-D-xyl- opyranosyl-(1→6)-β-D-glucopyranosyl]-7,8-dihydroxy-3-methoxyxanthone(11), isovitex- in(12),β-sitosterol(13), daucosterol(14), and oleanolic acid(15). Among them, ten ones (1-4, 7-11, 13) were obtained from S. delavayi for the first time. The isolates were evaluated for their anti-HBV activities in HepG 2. 2. 15 cell line in vitro. The results showed that compound 1, 2, 6, 7, 9 and 12 exhibited significant inhibitory activity on HBV DNA replication with ICs0 values from 0. 05 to 1.46 mmol·L-1.
出处 《中国中药杂志》 CAS CSCD 北大核心 2015年第5期897-902,共6页 China Journal of Chinese Materia Medica
基金 National science fund for distinguished young scholar(81025023) the West Light Foundation of Chinese Academy of Sciences
关键词 龙胆科 丽江獐牙菜 化学成分 抗乙肝病毒活性 Swertia delavayi Gentianaceae chemical constituents anti-hepatitis B virus activity
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