摘要
目的对火绒草的化学成分进行研究,为进一步开发利用该植物资源提供依据。方法采用反复正相硅胶、反相ODS、Sephadex LH-20等柱色谱以及高效液相色谱法等手段进行分离纯化,并通过理化性质与光谱分析鉴定化合物的结构。结果从火绒草体积分数为70%的乙醇溶液提取物中又分离鉴定了7个黄酮类化合物,分别为芹菜素(apigenin,1)、山柰酚-3-O-(6″-O-乙酰基)-β-D-吡喃葡萄糖苷[kaempferol-3-O-(6″-O-acetyl)-β-D-glucopyranoside,2]、山柰酚-3-O-(6″-O-反式对香豆酰基)-β-D-吡喃葡萄糖苷[kaempferol-3-O-(6″-O-trans-p-coumaroyl)-β-D-glucopyranoside,3]、山柰酚-3-O-(6″-O-顺式对香豆酰基)-β-D-吡喃葡萄糖苷[kaempferol-3-O-(6″-O-cis-p-coumaroyl)-β-D-glucopyranoside,4]、槲皮素-7-O-β-D-吡喃葡萄糖苷(quercetin-7-O-β-D-glucopyranoside,5)、槲皮素-3-甲氧基-7-O-β-D-吡喃葡萄糖苷(quercetin-3-me-thoxy-7-O-β-D-glucopyranoside,6)、槲皮万寿菊素-7-O-β-D-吡喃葡萄糖苷(quercetagetin-7-O-β-D-glucopyranoside,7)。结论化合物1为首次从火绒草植物中分离得到,化合物2~7为首次从火绒草属植物中分离得到。
Objective To study the chemical constituents from Leontopodium leontopodioides (Willd.) Beauv. Methods The compounds were isolated by chromatographic methods such as silica gel, ODS, Sephadex LH- 20 and HPLC, and identified by the chemical and physical methods, especially spectral analysis. Results Seven flavonoids were isolated. The structures of them were identified as apigenin (1), kaempferol-3-O- ( 6"-O-acetyl ) -β-D-glucopyranoside ( 2 ), kaempferol-3-O- ( 6"-O-trans-p-coumaroyl ) -β-D-glucopyranoside ( 3 ), kaempferol-3-O- ( 6"-O-cis-p-coumaroyl ) -β-D-glucopyranoside ( 4 ), quercetin-7-O-β-D-glucoside ( 5 ), quercetin-3-methyloxy-7-O-β-D-glucopyranoside ( 6 ), and quercetagefin-7-O-β-D-glucopyranoside ( 7 ), respectively. Conclusions Compound 1 is obtained from the plant for the first time, and compounds 2-7 are obtained from Leontopodium genus for the first time.
出处
《沈阳药科大学学报》
CAS
CSCD
北大核心
2012年第2期104-108,共5页
Journal of Shenyang Pharmaceutical University
基金
天津市自然科学基金资助项目(09JCYBJC16300)
天津市高等学校科技发展基金计划资助项目(20090201)
关键词
火绒草
化学成分
黄酮
结构鉴定
Leontopodium leontopodioides (Willd.)Beauv.
chemical constituent
flavonoid
structure identification