kaempferol 7-O-α-l-rhamnopyranoside (6), kaempferitrin (7) and kaempferol 3-O-β-d-glucopyranoside 7-O-α-l-rhamnopyranoside (8) were isolated by various chromatography methods from the leaves of Cleome viscosa L. Their structures were elucidated by IR, UV, HR-ESI-MS and NMR (1D & 2D) experiments. The cytotoxicity and hepatoprotective activities using HepG2 human hepatoma cell line of 1 were measured by
一个新的
黄酮醇苷命名visconoside C(1),具有七个已知
黄酮醇苷一起,
槲皮素-3-O-β- d
吡喃
葡萄糖苷7-O-α-升-rhamnopyranoside(2),
槲皮素-7-O-α-升-
鼠李糖吡喃糖苷(3),黄
芪甲素(4),山emp
酚3- O-(4- O-乙酰基)-α - l-
鼠李糖吡喃糖苷(5),山emp
酚7- O - α - l-
鼠李糖吡喃糖苷(6),山竹
铁素(7)和
山奈酚3- ö - β -d
吡喃
葡萄糖苷7- ö - α -升-rhamnopyranoside(8)通过从所述叶片各种色谱方法分离黄花草其结构经IR,UV,HR-ESI-MS和NMR(1D&2D)阐明L.实验。通过M
TT法测定使用HepG2人肝癌
细胞系1的细胞毒性和保肝活性。在25μM和50μM的浓度下,1对HepG2细胞具有细胞毒性活性(与
阿霉素对照相比,细胞活力分别降低至22.2和23.0%),而在100μ