Antimicrobial and antioxidant activities of commercially available essential oils and their oleoresins

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Antimicrobial and antioxidant activities of commercially available essential oils and their oleoresins

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Title: Antimicrobial and antioxidant activities of commercially available essential oils and their oleoresins
Author: Rodríguez Calleja, José María;Cruz-Romero, Malco C.;García López, María Luisa;Kerry, Joe P.
xmlui.dri2xhtml.METS-1.0.item-contributor: Facultad de Veterinaria
xmlui.dri2xhtml.METS-1.0.item-area: Nutricion y Bromatologia
Abstract: Entidades Financiadoras: Junta de Castilla y León” (Proyecto LE331A12-2) y Universidad de León (Proyecto ULE2010-6) The objectives of this study were to evaluate and compare in vitro antibacterial and antioxidant activities of commercially available oregano, rosemary, sage and thyme essential oils (EOs) against their corresponding oleoresins (ORs) for potential application in food packaging systems. Thyme EO showed the best antimicrobial activity against Staphylococcus aureus, Bacillus cereus, Escherichia coli and Pseudomonas fluorescens (MIC values ranging 0.4±0.1 - 8.7±2.3 mg/mL). Overall, the antimicrobial efficacy of thyme and oregano EOs was found to be higher than that observed for their ORs. Additionally, these ORs did not exhibit better antioxidant properties when compared with their EOs, providing 90% lower antiradical activity and without significant differences in reducing power. The results suggested that commercially available thyme and oregano EOs could be used effectively as hurdle against food-borne pathogens and spoilage bacteria, as well as in terms of preventing lipid oxidation in foods
xmlui.dri2xhtml.METS-1.0.item-desfisica: P. 221-233
Publisher: STM
xmlui.dri2xhtml.METS-1.0.item-citation: Research & Reviews: Journal of Herbal Science, 2015, vol. 3, n. 3
URI: http://hdl.handle.net/10612/4165
Date: 2015-11-22
xmlui.dri2xhtml.METS-1.0.item-tipo: info:eu-repo/semantics/preprint
Subject: Tecnología de los alimentos
Veterinaria
xmlui.dri2xhtml.METS-1.0.item-palclave: Essential oils
Oleoresins
Active packaging
xmlui.dri2xhtml.METS-1.0.item-accessRights: info:eu-repo/semantics/openAccess
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