Flavone Tetraglycosides and Benzyl Alcohol Glycosides from the Mongolian Medicinal Plant <i>Dracocephalum ruyschiana</i>
作者:Erdenechimeg Selenge、Toshihiro Murata、Kyoko Kobayashi、Javzan Batkhuu、Fumihiko Yoshizaki
DOI:10.1021/np300609u
日期:2013.2.22
From an extract of the aerial parts of Dracocephalum ruyschiana, five new flavone tetraglycosides, five new benzyl alcohol glycosides, and 19 known compounds were isolated. The tetraglycosides contain a 7-O-β-d-glucopyranosyl-(1→2)-β-d-glucopyranosyl-(1→2)-[α-l-rhamnopyranosyl-(1→6)]-β-d-glucopyranosyl moiety. The benzyl alcohol glycosides had acyl groups on their glycosyl or aglycone moieties. The
从芸苔DrDrcephalcephalum ruyschiana的地上部分提取物中,分离出5种新的黄酮四糖苷,5种新的苄醇糖苷和19种已知化合物。所述tetraglycosides含有7- ö -β- d -glucopyranosyl-(1→2)-β- d -glucopyranosyl-(1→2) - [α-升-rhamnopyranosyl-(1→6)] - β- d -吡喃葡萄糖基部分。苄醇糖苷在其糖基或糖苷配基部分上具有酰基。使用DPPH测试化合物的抗氧化活性。尽管新化合物没有活性,但在D中发现了苯基丙酰基奎尼酸衍生物作为自由基清除剂。ruyschiana。