Encapsulation of × Essential Oil (CKP-25) in Chitosan Nanoemulsion As a Green and Novel Strategy for Mitigation of Fungal Association and Aflatoxin B Contamination in Food System

Overview

Journal Foods

Specialty Biotechnology

Date 2023 Feb 25

PMID 36832806

Authors

Jitendra Prasad

Somenath Das

Akash Maurya

Monisha Soni

Arati Yadav

Bikarma Singh

Abhishek Kumar Dwivedy

Affiliations

Soon will be listed here.

Abstract

The present study deals with the encapsulation of × essential oil (CKP-25-EO) into a chitosan nanoemulsion and efficacy assessment for inhibition of fungal inhabitation and aflatoxin B (AFB) contamination in seeds with emphasis on cellular and molecular mechanism of action. DLS, AFM, SEM, FTIR, and XRD analyses revealed the encapsulation of CKP-25-EO in chitosan with controlled delivery. The CKP-25-Ne displayed enhanced antifungal (0.08 µL/mL), antiaflatoxigenic (0.07 µL/mL), and antioxidant activities (IC = 6.94 µL/mL, IC = 5.40 µL/mL) in comparison to the free EO. Impediment in cellular ergosterol, methylglyoxal biosynthesis, and in silico molecular modeling of CKP-25-Ne validated the cellular and molecular mechanism of antifungal and antiaflatoxigenic activity. The CKP-25-Ne showed in situ efficacy for inhibition of lipid peroxidation and AFB secretion in stored seeds without altering the sensory profile. Moreover, the higher mammalian safety profile strengthens the application of CKP-25-Ne as a safe green nano-preservative against fungal association, and hazardous AFB contamination in food, agriculture, and pharmaceutical industries.

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