Dai Li-Min, Zhao Chun-Chao, Jin Hui-zi, Tang Jian, Shen Yun-Heng, Li Hui-Liang, Peng Cai-Yun, Zhang Wei-Dong
School of Pharmacy, Hunan University of Chinese Medicine, Changsha 410004, PR China.
Arch Pharm Res. 2008 Oct;31(10):1325-9. doi: 10.1007/s12272-001-2113-2. Epub 2008 Oct 29.
A new ferulic acid ester, 1'-methyl-2'-hydroxyethyl ferulate (1), together with methylcaffeate (2), 4-hydroxy cinnamic acid (3), ferulic acid (4), caffeic acid (5), diosmetin (6), luteolin (7), 5,3',4'-trihydroxy-3,7-dimethoxyflavone (8), eriodictyol (9), kaempferol (10), quercetin (11), acacetin-7-O-glcopyranoside (12), 4-(beta-glucopyranosyloxy) benzoic acid (13), luteolin-7-O-(6''-feruloyl) glucopyranoside (14), luteolin-7-O-glucopyranoside (15), kaempferide-3-O-rhamnopyranoside (16), quercitrin (17), kaempferol-3-O-glucopyranoside (18), prunasin (19), quercetin-7-O-glucopyranoside (20), quercetin-3-O-glucopyranoside (21), plantaginin (22), linarin (23), luteolin-7-O-rutinoside (24), and chlorogenic acid (25) were isolated from the aerial parts of Dacocephalum peregrinum. The structure of 1 was elucidated on the basis of spectroscopic and HR-ESI-MS analyses. In addition, compound 1 exhibited mild inhibitory effect on NO production in LPS-stimulated RAW264.7 cells.
从异头草的地上部分分离得到一种新的阿魏酸酯,1'-甲基-2'-羟基乙基阿魏酸酯(1),以及甲基咖啡酸(2)、4-羟基肉桂酸(3)、阿魏酸(4)、咖啡酸(5)、香叶木素(6)、木犀草素(7)、5,3',4'-三羟基-3,7-二甲氧基黄酮(8)、圣草酚(9)、山奈酚(10)、槲皮素(11)、刺槐素-7-O-葡萄糖苷(12)、4-(β-D-吡喃葡萄糖氧基)苯甲酸(13)、木犀草素-7-O-(6''-阿魏酰基)葡萄糖苷(14)、木犀草素-7-O-葡萄糖苷(15)、山奈酚-3-O-鼠李糖苷(16)、槲皮苷(17)、山奈酚-3-O-葡萄糖苷(18)、苦杏仁苷(19)、槲皮素-7-O-葡萄糖苷(20)、槲皮素-3-O-葡萄糖苷(21)、车前苷(22)、里那苷(23)、木犀草素-7-O-芸香糖苷(24)和绿原酸(25)。通过光谱和高分辨电喷雾电离质谱分析确定了化合物1的结构。此外,化合物1对脂多糖刺激的RAW264.7细胞中一氧化氮的产生表现出轻微的抑制作用。