Plant growth inhibitory activity of the extracts of acmella oleracea and its growth inhibitory substances

Hisashi Kato-Noguchi, Prapaipit Suwitchayanon, Sutjaritpan Boonmee, Arihiro Iwasaki, Kiyotake Suenaga

Research output: Contribution to journalArticle

Abstract

Aqueous methanol extracts of Acmella oleracea inhibited the growth of roots and shoots of cress (Lepidum sativum), lettuce (Lactuca sativa), Italian ryegrass (Lolium multiflorum), and barnyard grass (Echinochloa crus-galli) with the extract concentration-dependent manner. The extracts were then purified and 2 growth inhibitory substances were isolated and identified by spectral data as (E,E)-2,4-undecadien-8,10-diynoic acid isobutylamide (compound 1) and nona-(2Z)-en-6,8-diynoic acid 2-phenylethylamide (compound 2). Compound 1 inhibited the growth of cress roots and shoots at concentrations greater than 0.3 mM and that of barnyard grass root at concentrations greater than 0.03 mM. Compound 2 inhibited the growth of cress shoots and barnyard grass roots at concentrations greater than 1 mM. The inhibition on the seedling growth indicates that both compounds had growth inhibitory activity and may contribute to the inhibitory effect of A. oleracea extracts. This is the first report of having growth inhibitory activity of compounds 1 and 2 on plants.

Original languageEnglish
JournalNatural product communications
Volume14
Issue number6
DOIs
Publication statusPublished - 2019 Jan 1

Fingerprint

Growth Substances
Echinochloa crus-galli
Echinochloa
plant growth
Brassicaceae
Lolium multiflorum
extracts
Growth
shoots
Lettuce
Lolium
acids
Lactuca sativa
lettuce
spectral analysis
seedling growth
root growth
methanol
Acids
Seedlings

Keywords

  • Acmella oleracea
  • Allelopathic activity
  • Growth inhibition
  • Natural product
  • Spilanthes acmella

ASJC Scopus subject areas

  • Pharmacology
  • Drug Discovery
  • Plant Science
  • Complementary and alternative medicine

Cite this

Plant growth inhibitory activity of the extracts of acmella oleracea and its growth inhibitory substances. / Kato-Noguchi, Hisashi; Suwitchayanon, Prapaipit; Boonmee, Sutjaritpan; Iwasaki, Arihiro; Suenaga, Kiyotake.

In: Natural product communications, Vol. 14, No. 6, 01.01.2019.

Research output: Contribution to journalArticle

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