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Author Xu, Tun-Hai ♦ Lv, Gang ♦ Xu, Ya-Juan ♦ Xie, Sheng-Xiu ♦ Zhao, Hong-Feng ♦ Han, Dong ♦ Si, Yun-Shan ♦ Li, Yu ♦ Niu, Jian-Zhao ♦ Xu, Dong-Ming
Source World Health Organization (WHO)-Global Index Medicus
Content type Text
Publisher Taylor & Francis
File Format HTM / HTML
Language English
Difficulty Level Medium
Subject Domain (in DDC) Natural sciences & mathematics ♦ Chemistry & allied sciences ♦ Life sciences; biology ♦ Physiology & related subjects ♦ Biochemistry ♦ Natural history of organisms ♦ Technology ♦ Medicine & health ♦ Human anatomy, cytology, histology ♦ Human physiology ♦ Pharmacology and therapeutics
Subject Domain (in MeSH) Plant Structures ♦ Anatomy ♦ Eukaryota ♦ Organisms ♦ Organic Chemicals ♦ Carbohydrates ♦ Chemicals and Drugs ♦ Chemical Phenomena ♦ Biological Sciences
Subject Keyword Discipline Chemistry ♦ Discipline Pharmacology ♦ Polygala ♦ Chemistry ♦ Saponins ♦ Triterpenes ♦ Molecular Structure ♦ Plant Roots ♦ Journal Article
Abstract A new triterpenoid saponin, tenuifoside A, was isolated together with three known triterpenoid saponins 2, 3, and 4 from the roots of Polygala tenuifolia Willd. With the help of chemical and spectral analyses (IR, MS, 1D-NMR, and 2D-NMR), the structure of the new saponin was elucidated as 3-O-beta-d-glucopyranosyl presenegenin 28-O-beta-d-xylopyranosyl-(1 --> 3)-beta-d-xylopyranosyl-(1 --> 4)-[beta-D-apiofuranosyl-(1 --> 3)]-alpha-L-rhamnopyranosyl-(1 --> 2)-[4-O-p-methoxycinnamoyl]-[alpha-l-rhamnopyranosyl-(1 --> 3)]-beta-d-fucopyranosyl ester (1). Three known triterpenoid saponins (2-4) were identified on the basis of spectroscopic data.
Description Country affiliation: China
Author Affiliation: Xu TH ( Department of Traditional Chinese Medicine Chemistry, School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China.)
ISSN 10286020
Educational Role Student ♦ Teacher
Age Range above 22 year
Educational Use Reading ♦ Research ♦ Self Learning
Interactivity Type Expositive
Education Level UG and PG
Learning Resource Type Article
Publisher Date 2008-07-01
Publisher Place Great Britain (UK)
e-ISSN 14772213
Journal Journal of Asian Natural Products Research
Volume Number 10
Issue Number 7-8

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Source: WHO-Global Index Medicus