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Bioactive constituents from Boswellia papyrifera.

Authors
  • Atta-ur-Rahman,
  • Naz, Humera
  • Fadimatou,
  • Makhmoor, Talat
  • Yasin, Amsha
  • Fatima, Naheed
  • Ngounou, F N
  • Kimbu, S F
  • Sondengam, B L
  • Choudhary, M Iqbal
Type
Published Article
Journal
Journal of Natural Products
Publisher
American Chemical Society
Publication Date
February 2005
Volume
68
Issue
2
Pages
189–193
Identifiers
PMID: 15730241
Source
Medline
License
Unknown

Abstract

Phytochemical investigation of the stem bark extract of Boswellia papyrifera afforded two new stilbene glycosides, trans-4',5-dihydroxy-3-methoxystilbene-5-O-{alpha-L-rhamnopyranosyl-(1-->2)-[alpha-L-rhamnopyranosyl-(1-->6)]-beta-D-glucopyranoside (1), trans-4',5-dihydroxy-3-methoxystilbene-5-O-[alpha-L-rhamnopyranosyl-(1-->6)]-beta-D-glucopyranoside (2), and a new triterpene, 3alpha-acetoxy-27-hydroxylup-20(29)-en-24-oic acid (3), along with five known compounds, 11-keto-beta-boswellic acid (4), beta-elemonic acid (7), 3alpha-acetoxy-11-keto-beta-boswellic acid (8), beta-boswellic acid (9), and beta-sitosterol (10). The stilbene glycosides exhibited significant inhibition of phosphodiesterase I and xanthine oxidase. The triterpenes (3-9) exhibited prolyl endopeptidase inhibitory activities.

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