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Issue 52, 2017
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Essential oil eugenol: sources, extraction techniques and nutraceutical perspectives

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Abstract

Eugenol, a phytogenic bioactive component is frequently found in diversified herbal plants possessing well-defined functional attributes. Prominent sources of eugenol are clove, cinnamon, tulsi and pepper. Various extraction methods have been practiced globally for the extraction of eugenol and other nutraceutics from plants. The most extensively employed approaches in this regard include solvent extraction, hydro-distillation, microwave-assisted extraction, supercritical carbon dioxide extraction and ultrasound-based extraction. Eugenol has been approved to encompass numerous beneficial aspects against a capacious spectrum of life threatening indispositions including oxidative stress, inflammation, hyperglycemia, elevated cholesterol level, neural disorders and cancer. In addition, eugenol has also shown strong potential as an antimicrobial agent against wide ranges of pathogenic and spoilage causing microorganisms. Predominantly, the principle mechanistic approaches associated with the therapeutic potential of eugenol include its free radical scavenging activity, hindrance of reactive oxygen species' generation, preventing the production of reactive nitrogen species, enhancement of cyto-antioxidant potential and disruption of microbial DNA & proteins. Consequently, this article is an attempt to elucidate the general properties, sources, extraction methods, therapeutic role and associated mechanisms of eugenol.

Graphical abstract: Essential oil eugenol: sources, extraction techniques and nutraceutical perspectives

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Article information


Submitted
28 Apr 2017
Accepted
21 Jun 2017
First published
27 Jun 2017

This article is Open Access

RSC Adv., 2017,7, 32669-32681
Article type
Review Article

Essential oil eugenol: sources, extraction techniques and nutraceutical perspectives

A. A. Khalil, U. U. Rahman, M. R. Khan, A. Sahar, T. Mehmood and M. Khan, RSC Adv., 2017, 7, 32669
DOI: 10.1039/C7RA04803C

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