| Literature DB >> 17393660 |
Preecha Phuwapraisirisan1, Sutee Udomchotphruet, Serm Surapinit, Santi Tip-Pyang.
Abstract
A new xanthone named cratoxylumxanthone A (1), together with five known compounds: dulcisxanthone B (2), alpha-mangostin (3), beta-mangostin (4), 2-geranyl-1,3,7-trihydroxy-4-(3-methylbut-2-enyl)xanthone (5) and tectochrystin (6), was isolated from Cratoxylum cochinchinense stems. The structure of new compound was characterized by 1D and 2D NMR techniques. The isolated compounds showed free radical scavenging against DPPH and lipid peroxidation inhibition.Entities:
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Year: 2006 PMID: 17393660 DOI: 10.1080/14786410601102033
Source DB: PubMed Journal: Nat Prod Res ISSN: 1478-6419 Impact factor: 2.861