Flavonoids of Gardenia cramerii and G. fosbergii bud exudates

A. A.leslie Gunatilaka, Sarath R. Sirimanne, Subramaniam Sotheeswaran, H. T.Badra Sriyani

Research output: Contribution to journalArticlepeer-review

9 Scopus citations


From the bud exudates of Gardenia cramerii and G. fosbergii, two species endemic to Sri Lanka, a new flavonoid with an unusual B-ring oxidation pattern, 5,5′-dihydroxy-6,7,2′,3′-tetramethoxyflavone, was characterized. Two other rare flavonoids, 5,3′,5′-trihydroxy-3,6,7,4′-tetramethoxyflavone and 5-hydroxy-6,7,3′,4′,5′-pentamethoxyflavone were also isolated from both Gardenia species.

Original languageEnglish (US)
Pages (from-to)805-806
Number of pages2
Issue number3
StatePublished - 1982


  • 5,3′,5′-trihydroxy-3,6,7,4′-tetramethoxyflavone
  • 5,5′-dihydroxy-6,7,2′,3′-tetramethoxyflavone
  • 5-hydroxy-6,7,3′,4′,5′-pentamethoxyflavone.
  • G. fosbergii
  • Gardenia cramerii
  • Rubiaceae
  • bud exudates

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Biology
  • Plant Science
  • Horticulture


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