Garcienone, a novel compound involved in allelopathic activity of Garcinia Xanthochymus hook

Md Mahfuzur Rob, Arihiro Iwasaki, Ryota Suzuki, Kiyotake Suenaga, Hisashi Kato-Noguchi

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)


Plants are sources of diversified allelopathic substances that can be investigated for use in eco-friendly and efficient herbicides. An aqueous methanol extract from the leaves of Garcinia xanthochymus exhibited strong inhibitory activity against barnyard grass (Echinochloa crus-galli (L.) P. Beauv.), foxtail fescue (Vulpia myuros (L.) C.C.), alfalfa (Medicago sativa L.), and cress (Lepidium sativum L.), and appears to be a promising source of allelopathic substances. Hence, bio-activity guided purification of the extract through a series of column chromatography steps yielded a novel compound assigned as garcienone ((R, E)-5-hydroxy-5-((6S, 9S)-6-methyl-9-(prop-13-en-10-yl) tetrahydrofuran-6-yl) pent-3-en-2-one). Garcienone significantly inhibited the growth of cress at a concentration of 10 µM. The concentrations resulting in 50% growth inhibition (I50) of cress roots and shoots were 120.5 and 156.3 µM, respectively. This report is the first to isolate and identify garcienone and to determine its allelopathic potential.

Original languageEnglish
Article number301
Issue number9
Publication statusPublished - 2019 Sept


  • Allelopathic substances
  • Allelopathy
  • Garcienone
  • Garcinia xanthochymus
  • Growth inhibition

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Ecology
  • Plant Science


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