高良姜
高良姜素
神经保护
化学
葡聚糖
传统医学
乙醇
色谱法
药理学
生物化学
生物
槲皮素
抗氧化剂
医学
酶
山奈酚
出处
期刊:China journal of Chinese materia medica
[China Journal of Chinese Materia Medica]
日期:2014-07-15
被引量:3
标识
DOI:10.4268/cjcmm20141416
摘要
A new flavonone, named as (2R, 3S)-pinobanksin-3-cinnamate(1), together with six known compounds, pinocem-brin (2), pinobanksin (3), 3-O-acetylpinobanksin (4), galangin (5), kumatakenin(6), and 3-methylkaempferol (7), were isolated from a 95% ethanol extract of seeds of Alpinia katsumadai through a combination of various chromatographic techniques, including silica gel and Sephadex LH-20. The structure of compound 1 was elucidated by spectroscopic data analysis. Compound 1 exhibits a potent neuroprotective effect against the corticosterone-damaged PC12 cells, which may be underlying the effect by scavenging intracellular ROS.
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