Effect of Different Essential Oils on the Properties of Edible Coatings Based on Yam (<i>Dioscorea rotundata</i> L.) Starch and Its Application in Strawberry (<i>Fragaria vesca</i> L.) Preservation

Every year the world loses about 50% of fruits and vegetables post-harvest and in the supply chain. The use of biodegradable coatings and films with antioxidant properties has been considered an excellent alternative to extend the shelf life of food. Therefore, the objective of this work was to deve...

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Autores principales:	Paula Gómez-Contreras, Kelly J. Figueroa-Lopez, Joaquín Hernández-Fernández, Misael Cortés Rodríguez, Rodrigo Ortega-Toro
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	physicochemical properties shelf life lime essential oil fennel essential oil lavender essential oil Technology T Engineering (General). Civil engineering (General) TA1-2040 Biology (General) QH301-705.5 Physics QC1-999 Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/6ef76e17c668485dbf656b283e3f3ef9
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spelling	oai:doaj.org-article:6ef76e17c668485dbf656b283e3f3ef92021-11-25T16:43:32ZEffect of Different Essential Oils on the Properties of Edible Coatings Based on Yam (<i>Dioscorea rotundata</i> L.) Starch and Its Application in Strawberry (<i>Fragaria vesca</i> L.) Preservation10.3390/app1122110572076-3417https://doaj.org/article/6ef76e17c668485dbf656b283e3f3ef92021-11-01T00:00:00Zhttps://www.mdpi.com/2076-3417/11/22/11057https://doaj.org/toc/2076-3417Every year the world loses about 50% of fruits and vegetables post-harvest and in the supply chain. The use of biodegradable coatings and films with antioxidant properties has been considered an excellent alternative to extend the shelf life of food. Therefore, the objective of this work was to develop a coating based on yam (<i>Dioscorea rotundata</i> L.) starch-containing lime, fennel, and lavender essential oils to extend the shelf life of strawberries (<i>Fragaria vesca l.</i>). The tensile properties, barrier properties (water vapour permeability (WVP) and oxygen permeability (OP)), moisture content, water-solubility, absorption capacity, water contact angle, optical properties, the antioxidant activity of the resultant starch-based coatings were evaluated. After that, the active properties of the coatings were assessed on strawberries inoculated with <i>Aspergillus niger</i> during 14 days of storage at 25 °C. The results showed that the incorporation of essential oils improved the elongation and WVP and provided antioxidant capacity and antimicrobial activity in the films. In particular, the essential oil of lime showed higher antioxidant activity. This fact caused the unwanted modification of other properties, such as the decrease in tensile strength, elastic modulus and increase in OP. The present study revealed the potential use of lime, fennel, and lavender essential oils incorporated into a polymeric yam starch matrix to produce biodegradable active films (antioxidant and antimicrobial). Obtained films showed to be a viable alternative to increase the shelf life of strawberries and protect them against Aspergillus niger.Paula Gómez-ContrerasKelly J. Figueroa-LopezJoaquín Hernández-FernándezMisael Cortés RodríguezRodrigo Ortega-ToroMDPI AGarticlephysicochemical propertiesshelf lifelime essential oilfennel essential oillavender essential oilTechnologyTEngineering (General). Civil engineering (General)TA1-2040Biology (General)QH301-705.5PhysicsQC1-999ChemistryQD1-999ENApplied Sciences, Vol 11, Iss 11057, p 11057 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	physicochemical properties shelf life lime essential oil fennel essential oil lavender essential oil Technology T Engineering (General). Civil engineering (General) TA1-2040 Biology (General) QH301-705.5 Physics QC1-999 Chemistry QD1-999
spellingShingle	physicochemical properties shelf life lime essential oil fennel essential oil lavender essential oil Technology T Engineering (General). Civil engineering (General) TA1-2040 Biology (General) QH301-705.5 Physics QC1-999 Chemistry QD1-999 Paula Gómez-Contreras Kelly J. Figueroa-Lopez Joaquín Hernández-Fernández Misael Cortés Rodríguez Rodrigo Ortega-Toro Effect of Different Essential Oils on the Properties of Edible Coatings Based on Yam (<i>Dioscorea rotundata</i> L.) Starch and Its Application in Strawberry (<i>Fragaria vesca</i> L.) Preservation
description	Every year the world loses about 50% of fruits and vegetables post-harvest and in the supply chain. The use of biodegradable coatings and films with antioxidant properties has been considered an excellent alternative to extend the shelf life of food. Therefore, the objective of this work was to develop a coating based on yam (<i>Dioscorea rotundata</i> L.) starch-containing lime, fennel, and lavender essential oils to extend the shelf life of strawberries (<i>Fragaria vesca l.</i>). The tensile properties, barrier properties (water vapour permeability (WVP) and oxygen permeability (OP)), moisture content, water-solubility, absorption capacity, water contact angle, optical properties, the antioxidant activity of the resultant starch-based coatings were evaluated. After that, the active properties of the coatings were assessed on strawberries inoculated with <i>Aspergillus niger</i> during 14 days of storage at 25 °C. The results showed that the incorporation of essential oils improved the elongation and WVP and provided antioxidant capacity and antimicrobial activity in the films. In particular, the essential oil of lime showed higher antioxidant activity. This fact caused the unwanted modification of other properties, such as the decrease in tensile strength, elastic modulus and increase in OP. The present study revealed the potential use of lime, fennel, and lavender essential oils incorporated into a polymeric yam starch matrix to produce biodegradable active films (antioxidant and antimicrobial). Obtained films showed to be a viable alternative to increase the shelf life of strawberries and protect them against Aspergillus niger.
format	article
author	Paula Gómez-Contreras Kelly J. Figueroa-Lopez Joaquín Hernández-Fernández Misael Cortés Rodríguez Rodrigo Ortega-Toro
author_facet	Paula Gómez-Contreras Kelly J. Figueroa-Lopez Joaquín Hernández-Fernández Misael Cortés Rodríguez Rodrigo Ortega-Toro
author_sort	Paula Gómez-Contreras
title	Effect of Different Essential Oils on the Properties of Edible Coatings Based on Yam (<i>Dioscorea rotundata</i> L.) Starch and Its Application in Strawberry (<i>Fragaria vesca</i> L.) Preservation
title_short	Effect of Different Essential Oils on the Properties of Edible Coatings Based on Yam (<i>Dioscorea rotundata</i> L.) Starch and Its Application in Strawberry (<i>Fragaria vesca</i> L.) Preservation
title_full	Effect of Different Essential Oils on the Properties of Edible Coatings Based on Yam (<i>Dioscorea rotundata</i> L.) Starch and Its Application in Strawberry (<i>Fragaria vesca</i> L.) Preservation
title_fullStr	Effect of Different Essential Oils on the Properties of Edible Coatings Based on Yam (<i>Dioscorea rotundata</i> L.) Starch and Its Application in Strawberry (<i>Fragaria vesca</i> L.) Preservation
title_full_unstemmed	Effect of Different Essential Oils on the Properties of Edible Coatings Based on Yam (<i>Dioscorea rotundata</i> L.) Starch and Its Application in Strawberry (<i>Fragaria vesca</i> L.) Preservation
title_sort	effect of different essential oils on the properties of edible coatings based on yam (<i>dioscorea rotundata</i> l.) starch and its application in strawberry (<i>fragaria vesca</i> l.) preservation
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/6ef76e17c668485dbf656b283e3f3ef9
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Effect of Different Essential Oils on the Properties of Edible Coatings Based on Yam (<i>Dioscorea rotundata</i> L.) Starch and Its Application in Strawberry (<i>Fragaria vesca</i> L.) Preservation

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