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蜂斗菜根茎中的一个新倍半萜成分及其抗缺氧活性(英文) 被引量:4

A new anti-hypoxia sesquiterpene from the rhizome of Petasites japonicus
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摘要 从蜂斗菜[Petasites japonicas(Sieb.et Zucc.)Maxim.]根茎中分离得到一个新倍半萜成分蜂斗菜内酯Ⅵa(bakkenolide-Ⅵa),其结构经核磁共振谱(~1H NMR、^(13)C NMR、~1H-~1H COSY、HMQC、HMBC、NOESY)和质谱数据确证。蜂斗菜内酯Ⅵa对断头小鼠脑缺氧缺血有明显保护作用,能够明显延长断头小鼠的生存时间和喘息时间;并有保护缺氧细胞的作用,能显著提高缺氧处理后PC12细胞株的存活率,抑制细胞中乳酸脱氢酶的释放。 A new sesquiterpene, bakkenolide-Ⅵa(1), was isolated from the rhizome of Petasites japonicas(Sieb. et Zucc.) Maxim. The structure was characterized on the basis of various NMR(1H, (13) C, -1H-1H COSY, HMQC, HMBC and NOESY) and mass spectrometry data. Bakkenolide-Ⅵa showed potent cerebral hypoxia- ischemia protective activity in mice subjected to decapitation through prolonging the survival time and gasping time. It also exhibited a protective activity against hypoxia injury in PC12 cells in anaerobic culture by inhibition of lactate dehydrogenase(LDH) release.
出处 《药学学报》 CAS CSCD 北大核心 2016年第8期1285-1289,共5页 Acta Pharmaceutica Sinica
基金 supported by the National Major Projects for New Drugs Innovation and Development 2014ZX09J14102-07C
关键词 抗缺氧 蜂斗菜内酯Ⅵa 蜂斗菜 倍半萜内酯 anti-hypoxia bakkenolide-Ⅵa Petasites japonicus sesquiterpene
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