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题名: Hydrolytic reaction of plant extracts to generate molecular diversity: New dammarane glycosides from the mild acid hydrolysate of root saponins of Panax notoginseng
作者: Teng, RW; Li, HZ; Wang, DZ; Yang, CR
刊名: HELVETICA CHIMICA ACTA
英文摘要: Molecular diversity was generated by hydrolyzing the crude root saponins of Panax notoginseng (BURK.) F. H. CHFN under mild acidic condition (AcOH/EtOH 1 : 1). From the acid hydrolysate, five new dammarane glycosides, named notoginsenoside T-1 (=(3beta,6alpha,12beta,20E,23RS)-24,25-epoxy-6-[(beta-D-glueopyranosyl)oxy]dam mar-20(22) -ene-3,12,23-triol; 1), notoginsenoside T-2 (=(3beta,6alpha,12beta,20E,23RS)-24,25-epoxy-6-[(beta0-D-glucopyranosyl)oxy]-23-methoxydammar-20(22)-ene-3,12-diol 2), notoginsenoside T-3 (=(3beta, 6alpha,12beta 20S)-6-[(beta-D-glucopyranosyl)oxy]-20-etlioxydammar-24-ene-3,12-diol; 3), notoginsenoside T-4 (= (3beta,6alpha,12beta,20S,22E,24RS)-6-[(beta-D-glucopyranosyl)oxy]dammar-22-ene-3,12.20,24,25-pentol; 4), and notoginsenoside T-5 (=(3beta,6alpha,12beta, 24E)-6-[beta-D-xylopyranosyl-(1-->2)-beta-D-glueopyranosyl)oxy]dammara-20(21),24-diene-3,12-diol;5), were isolated, together with 15 known dammarane glycosides, and their structures were elucidated on the basis of spectroscopic evidence. Among the known compounds, ginsenosides Rg(3) and Rh-1 were isolated as major constituents, in addition to ginsenosides Rg(5) Rh-4, and a mixture of (20R)- and (20S)-25-hydroxyginsenoside Rh-1. all of which were obtained from P. notoginseng for the first time.
出版日期: 2004
卷号: 87, 期号:5, 页码:1270-1278
语种: 英语
收录类别: SCI ; IC
学科分类: Chemistry, Multidisciplinary
ISSN号: 0018-019X
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/13473
Appears in Collections:离退休_期刊论文

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作者单位: 1.Chinese Acad Sci, Kunming Inst Bot, Kunming 650204, Yunnan, Peoples R China

Recommended Citation:
Teng, RW; Li, HZ; Wang, DZ; Yang, CR.Hydrolytic reaction of plant extracts to generate molecular diversity: New dammarane glycosides from the mild acid hydrolysate of root saponins of Panax notoginseng,HELVETICA CHIMICA ACTA,2004,87(5):1270-1278
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