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Environ Sci Pollut Res Int. 2019 Sep;26(25):25414-25431. doi: 10.1007/s11356-019-05932-2. Epub 2019 Jul 17.

Essential oils and their bioactive compounds as green preservatives against fungal and mycotoxin contamination of food commodities with special reference to their nanoencapsulation.

Author information

1
Laboratory of Herbal Pesticides, Centre of Advanced study (CAS) in Botany, Institute of Science, Banaras Hindu University, Varanasi, 221005, India.
2
Laboratory of Herbal Pesticides, Centre of Advanced study (CAS) in Botany, Institute of Science, Banaras Hindu University, Varanasi, 221005, India. nkdubeybhu@gmail.com.

Abstract

Fungal and mycotoxin contamination of stored food items is of utmost concern throughout the world due to their hazardous effects on mammalian systems. Most of the synthetic chemicals used as preservatives have often been realised to be toxic to humans and also cause adverse environmental effects. In this respect, use of different plant products especially essential oils (EOs) and their bioactive compounds has been recognized as a green strategy and safer alternatives to grey synthetic chemicals in view of their long traditional use. The current nanoencapsulation technology has strengthened the prospective of EOs and their bioactive compounds in food preservation by enhancing their bioactivity and mitigating other problems regarding their large-scale application. Although, the antimicrobial potential of EOs and their bioactive compounds has been reviewed time to time by different food microbiologists, but very less is known about their mode of action. Based on these backgrounds, the present article provides an account on the antifungal and antimycotoxigenic mode of action of EOs as well as their bioactive compounds. In addition, the article also deals with the application of currently used nanoencapsulation approach to improve the stability and efficacy of EOs and their bioactive compounds against mycotoxigenic fungi causing deterioration of stored food items so as to recommend their large-scale application for safe preservation and enhancement of shelf life of food items during storage.

KEYWORDS:

Antifungal; Bioactive compound; Essential oil; Green preservative; Mode of action; Mycotoxin; Nanoencapsulation; Shelf life

PMID:
31313235
DOI:
10.1007/s11356-019-05932-2

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