| Literature DB >> 16319011 |
Abbas Delazar1, Masoud Modarresi, Mohammad Shoeb, Lutfun Nahar, Raymond G Reid, Yashodharan Kumarasamy, Runner R T Majinda, Satyajit D Sarker.
Abstract
The reversed-phase preparative HPLC analysis of the methanol extract of the rhizomes of Eremostachys glabra (Lamiaceae) led to the isolation of two furanolabdane diterpene glycosides, phlomisoside II, and beta-D-glucopyranosyl-(1-->2)-beta-D-glucopyranosyl ester of phlomisoic acid (named eremostachiin), the latter being a novel natural product. The structure of the new compound has been elucidated unambiguously by HRMS and a series of 1D- and 2D-NMR spectroscopic techniques. The free radical scavenging activity of these compounds was assessed using the DPPH assay.Entities:
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Year: 2006 PMID： 16319011 DOI： 10.1080/13518470500047082
Source DB: PubMed Journal: Nat Prod Res ISSN： 1478-6419 Impact factor: 2.861