Antifungal Activity of Essential Oil and Main Components from Mentha pulegium Growing Wild on the Chilean Central Coast

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.

Antifungal Activity of Essential Oils from Three Artemisia Species against Colletotrichum gloeosporioides of Mango

“…Additionally, its major component, chamazulene, was attributed to the antifungal activity [62]. Morover, Montenegro et al [32] evaluated the antifungal activities of Mentha pulegium essential oil and its major constituents. M. pulegium essential oil and isopulegol exhibited the highest antifungal activity against Monilinia fructicola and Botrytis cinerea.…”

“…Additionally, its major component, chamazulene, was attributed to the antifungal activity [ 62 ]. Morover, Montenegro et al [ 32 ] evaluated the antifungal activities of Mentha pulegium essential oil and its major constituents. M .…”

“…Moreover, there were also reports on the antifungal effect of essential oils obtained from the genus Artemisia [ 28 , 29 , 30 , 31 ]. Particularly, essential oil can serve as an alternative means of control and may be used as a botanic fungicide against post-harvest fungal pathogens in the future [ 32 , 33 ]. Essential oil obtained from black caraway, fennel, peppermint, garlic, and wood ash expressed as highly effective against sweet cherry fruit [ 34 ] and four post-harvest rots of banana [ 35 ].…”

Essential Oils as Potential Alternative Biocontrol Products against Plant Pathogens and Weeds: A Review

“…Cestrum nocturnum [85] Carum carvi L., Foeniculum vulgare L. and Mentha x piperita [50] 18 egyptian plants [59] Mentha pulegium [86] Metasequoia glyptostroboides [87] Origanum heracleoticum [88] Origanum majorana…”

Insecticidal effects of some essential oils against box tree moth (Cydalima perspectalis Walker (Lepidoptera: Crambidae))

“…Major constituents of the essential oils of test plants has been previously reported by, Kordali et al (2006); Tozlu et al (2011);Carroll et al (2017); Duran and Kaya (2018); Amor et al ( 2019); Vieira et al (2019); Montenegro et al (2020); Paiano et al (2020). A list of the constituents and grouped components of this essential oils are presented in Table 1.…”