[关键词]
[摘要]
目的研究地榆炭的化学成分。方法采用色谱技术进行分离、纯化,通过理化常数和波谱分析鉴定化合物结构。结果从地榆炭中分离出11个化合物,分别为3β-羟基-28-去甲乌索-12,17-二烯-22-酮(1)、3β,19α-二羟基-齐墩果-12-烯-28-β-D-葡萄吡喃糖苷(2)、3β-O-α-L-阿拉伯糖基-乌索-12,19(29)-二烯-28-酸(3)、3β-O-α-L-阿拉伯糖基-乌索-12,18-二烯-28-酸(4)、3β-羟基-乌索-12,19-二烯-28-β-D-葡萄吡喃糖苷(5)、3β-羟基-乌索-12,18-二烯-28-β-D-葡萄吡喃糖苷(6)、3β-O-α-L-阿拉伯糖基-乌索-12,19(29)-二烯-28-β-D-葡萄吡喃糖苷(7)、3β-O-α-L-阿拉伯糖基-乌索-12,19-二烯-28-β-D-葡萄吡喃糖苷(8)、3β-O-α-L-阿拉伯糖基-乌索-12,18-二烯-28-β-D-葡萄吡喃糖苷(9)、3,4'-O-二甲基逆没食子酸(10)、没食子酸(11)。结论化合物1为新化合物,命名为地榆皂苷元V,化合物2、5首次从地榆中分离得到。
[Key word]
[Abstract]
Objective To study the chemical constituents of charred Sanguisorbae Radix.Methods The compounds were isolated and purified by column chromatography and their structures were identified on the basis of physicochemical constants and spectral analyses.Results Eleven compounds were isolated and their structures were identified as 3β-hydroxy-28-norurs-12,17-dien-22-one(1),3β,19α-dihydroxyolean-12-en-28-β-D-glucopyranoside(2),3β-O-(α-L-arabinopyranosyl) urs-12,19(29)-dien-28-acid(3),3β-O-(α-L-arabinopyranosyl) urs-12,18-dien-28-acid(4),3β-hydroxyurs-12,19-dien-28-β-D-glucopyranoside(5),3β-hydroxyurs-12,18-dien-28-β-D-glucopyranoside(6),3β-O-(α-L-arabinopyranosyl) urs-12,19(29)-dien-28-β-D-glucopyranoside(7),3β-O-(α-L-arabinopyranosyl) urs-12,19-dien-28-β-D-glucopyranoside(8),3β-O-(α-L-arabinopyranosyl) urs-12,18-dien-28-β-D-glucopyranoisde(9),3,4'-O-dimethylellagic acid(10),and gallic acid(11).Conclusion The compound 1 is a novel one,named sanguisorbigenin V,compounds 2 and 5 are isolated from Sanguisorba officinalis for the first time.
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[基金项目]
国家自然科学基金资助项目(30772786)