Antifungal activity of essential oil and main components from mentha pulegium growing wild on the chilean central coast

Iván Montenegro, Bastián Said, Patricio Godoy, XIMENA ALEJANDRA BESOAIN CANALES, Carol Parra, Katy Díaz, Alejandro Madrid

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4 Scopus citations

Abstract

Fungal diseases, both pre- and post-harvest, are currently difficult to control—increased antifungal resistances have further stimulated the search for natural alternatives. The objective of the present research work was to evaluate the antifungal activities of Mentha pulegium essential oil (EO) and its major constituents. The EO was obtained from hydro distillation of fresh leaves, and composition was determined using gas chromatography/mass spectrometry (GC/MS). The main components were identified as pulegone (29.33%), menthol (28.79%), menthone (20.48%), and isopulegol (9.75%). EO and isopulegol exhibited the highest antifungal activity, with half maximal effective concentrations (EC50) inhibiting mycelial activity of Monilinia fructicola at 24.6 µg/mL and 20.8 µg/mL, respectively, and against Botrytis cinerea, at 301.45 µg/mL and 333.84 µg/mL, respectively. These findings could lay the foundation for developing antifungal agents of agricultural value.

Original languageEnglish
Article number254
JournalAgronomy
Volume10
Issue number2
DOIs
StatePublished - 10 Feb 2020
Externally publishedYes

Keywords

  • Antifungal activity
  • Botrytis cinerea
  • Essential oil
  • Mentha pulegium
  • Monilinia fructicola

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