Correlative metabolite profiling approach to understand antioxidant and antimicrobial activities from citrus essential oils

Abstract

The objective of this study was to investigate the chemical composition of the essential oils from citrus species, as well as their antioxidant and antimicrobial activities. By gas chromatography-mass spectrometry, we identified thirty-seven metabolites and a range of unique compounds, contributing to the discrimination of the species. Different biological potentialities were detected depending on the species supported the significant effect of the genetic factor. C. aurantium and C. limon exhibited the highest antioxidant activities which make them a potential source of natural preservative. C. limon exhibited the highest antibacterial activities and C. reticulata the highest antifungal activities. Essential oils extracted from these agro-wastes could serve as natural food preservatives to prevent food pathogens and then extending the shelf life. A set of potential metabolites could be implicated in the observed biological activity, underlying that the antimicrobial activity is a complex trait.

Synergistic properties of Eucalyptus caesia and Dracocephalum multicaule Montbr & Auch essential oils: Antimicrobial activity against food borne pathogens and antioxidant activity in pear slices

“…Results are in synchronization with the previously reports of Burt (2004) and Lamine, Rahali, Hammami, and Mliki (2019). While in another study, the resistance of Gram‐positive bacteria to the EOs was more than Gram‐negative bacteria (Gupta, Garg, Uniyal, & Kumari, 2008).…”

Nano‐encapsulation of orange peel essential oil in native gums ( Lepidium sativum and Lepidium perfoliatum ): Improving oxidative stability of soybean oil

“…Orange peel essential oil was obtained with hydro‐distillation (Lamine, Rahali, Hammami, & Mliki, 2019). For this purpose, the flavedo of fruits (Thompson variety) was removed with a manual peeler and dried in dark room (25 ± 5°C) for 2 days and milled to a particle size less than 3 mm.…”

Citrus Essential Oils (CEOs) and Their Applications in Food: An Overview

“…Furthermore, CEOs from four cultivars of Citrus namely C. aurantium, C. limon, C. reticulata, and C. sinensis were tested against Candida albicans and Aspergillus flavus using disc diffusion assay. It was found that antifungal activity was highest, with EO of C. reticulata where inhibition zone (IZ) was 26.1 ± 1.20 mm and MIC of 1 mg/mL for C. albicans, while IZ of 43.1 ± 1.67 mm and MIC of 0.25 mg/mL for A. flavus [131].…”