Isolation and identification of three potential phytotoxic compounds from Chrysopogon aciculatus (Retz.) Trin

Md Shafiqul Islam, Farhana Zaman, Arihiro Iwasaki, Kiyotake Suenaga, Hisashi Kato-Noguchi

Research output: Contribution to journalArticlepeer-review

Abstract

We conducted an investigation to search for the possibility of phytotoxic compounds and then identify them in C. aciculatus. The aqueous methanol extracts of C. aciculatus imposed a strong suppressive effect on the shoots and roots growth of Medicago sativa and Echinochloa crus-galli. The C. aciculatus extracts were subsequently purified through chromatography and three growth-inhibitory compounds were identified by spectral data as methyl cis-p-coumarate, methyl trans-p-coumarate, and trans-ferulaldehyde. The seedlings growth of Lepidium sativum was suppressed by methyl cis-p-coumarate, methyl trans-p-coumarate, and trans-ferulaldehyde. The I50 values (concentration required for 50% growth inhibition) for the seedling growth of L. sativum ranged from 1.25 to 1.73 mM for methyl cis-p-coumarate, 0.74 to 1.23 mM for methyl trans-p-coumarate, and 1.05 to 1.84 mM for trans-ferulaldehyde. Our finding indicates that methyl cis-p-coumarate, methyl trans-p-coumarate, and trans-ferulaldehyde may contribute to the phytotoxic effects of C. aciculatus.

Original languageEnglish
Article number56
JournalActa Physiologiae Plantarum
Volume43
Issue number4
DOIs
Publication statusPublished - 2021 Apr

Keywords

  • Biological activity
  • Chrysopogon aciculatus
  • Growth inhibition
  • Phytotoxic compounds
  • Phytotoxicity

ASJC Scopus subject areas

  • Physiology
  • Agronomy and Crop Science
  • Plant Science

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