2. Academic Validation
  3. Antioxidant xanthones from Cratoxylum cochinchinense

Antioxidant xanthones from Cratoxylum cochinchinense

  • Nat Prod Res. 2006 Dec;20(14):1332-7. doi: 10.1080/14786410601102033.
Preecha Phuwapraisirisan 1,  Sutee Udomchotphruet,  Serm Surapinit,  Santi Tip-Pyang
Affiliations

Affiliation

  • 1 Natural Product Research Unit, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand. preecha.p@chula.ac.th
PMID: 17393660 DOI: 10.1080/14786410601102033
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.

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