Two new phenolic glycosides from the leaves of Garcinia epunctata Stapf

C. Emade Kwene
  • Faculty of Science, Department of Organic Chemistry, University of Yaounde I, PO Box 812, Yaounde, Cameroon
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, Anastasie E. Tih
  • Corresponding author
  • Faculty of Science, Department of Organic Chemistry, University of Yaounde I, PO Box 812, Yaounde, Cameroon
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, Bintou Abderamane and Rapheal T. Ghogomu
  • Corresponding author
  • Faculty of Science, Department of Organic Chemistry, University of Yaounde I, PO Box 812, Yaounde, Cameroon,
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The leaves of Garcinia epunctata Stapf have furnished two new phenolic glucosides, epunctosides A and B, along with 13 known secondary metabolites identified as lanceoloside A, betulinic acid, lupeol, stigmasterol, β-sitosterol, β-sitosterol-3-O-β-d-glucopyranoside, stigmasterol-3-O-β-d-glucopyranoside, luteolin-7-O-glucoside, quercitin-7-O-glucoside, amentoflavone, robustaflavone, 4′-O-methyl-amentoflavone and 4′-O-methyl-robustaflavone. All structures were established from chemical and spectroscopic evidence including 1D and 2D NMR data as well as by comparing the obtained spectroscopic data with literature. This is the first report of the presence of phenolic glucosides in the genus Garcinia.

    • Supplementary material
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A Journal of Biosciences: Zeitschrift für Naturforschung C (ZNC) is an international scientific journal for the emerging field of natural and natural-like products. ZNC publishes original research on the isolation, bio-chemical synthesis and bioactivities of natural products, their biochemistry, pharmacology, biotechnology, and biological activity and innovative developed computational methods for predicting their structure and/or function.