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Estudio in vitro de la viabilidad de células Caco-2 en presencia de componentes del aceite esencial de Allium spp

Authors: Llana Ruiz-Cabello, María; Puerto Rodríguez, María; Gutiérrez-Praena, Daniel; Pichardo Sánchez, Silvia; Jos Gallego, Ángeles Mencía; Cameán Fernández, Ana María;

Estudio in vitro de la viabilidad de células Caco-2 en presencia de componentes del aceite esencial de Allium spp

Abstract

El aceite esencial de los componentes del género Allium, principalmente ajo y cebolla, presenta propiedades antioxidantes y antibacterianas debidas a la presencia de compuestos azufrados en su composición. La industria alimentaria ha comenzado a desarrollar nuevos sistemas de envasado activo a partir de polímeros seleccionados, a los que se incorporan aceites esenciales que, por sus propiedades, contribuyen a aumentar la vida útil de los alimentos perecederos. En este sentido, se hace necesario evaluar la seguridad asociada al uso de estas sustancias en envases alimentarios que van a estar en contacto con el consumidor a través del alimento. El objetivo del presente estudio fue determinar la citotoxicidad producida por dipropil sulfuro y dipropil disulfuro, dos de los componentes del aceite esencial de ajo y cebolla, en la línea celular Caco-2, células humanas procedentes de carcinoma de colon. Los biomarcadores ensayados fueron el contenido total de proteínas, la captación de rojo neutro y la reducción de la sal de tetrazolio (3-(4,5-dimetiltiazol-2- il)-5-(3-carboximetoxifenil)-2-(4sulfofenil)-2H-tetrazolio). Las células fueron expuestas durante 2, 4 y 8 h a concentraciones comprendidas entre 0 y 200 μM. Los resultados no mostraron diferencias significativas frente al control para ninguno de los tres marcadores, lo que demuestra que bajo las condiciones de los ensayos ambos compuestos azufrados no son citotóxicos para esta línea celular gastrointestinal y podrían ser útiles en la industria alimentaria para desarrollar envases activos.

Allium spp. essential oil, mainly from garlic and onion, possesses different beneficial properties, for example antioxidant and antimicrobial effects, due to the presence of sulfur compounds. Food industry is developing new active packaging systems that include the essential oil of garlic in their structure, in order to improve the shelf-life of perishable products. Therefore it is necessary to evaluate the safety associated with the use of these substances in food packaging that will be in contact with the consumer through food. The aim of our study was to evaluate in vitro the cytotoxicity of dipropyl sulfide and dipropyl disulfide. For this purpose, we used the human Caco-2 cell line, from human small intestinal mucosa carcinoma. The assayed cytotoxicity biomarkers were the total protein content, neutral red uptake and reduction of the 3-( 4, 5 - dimethylthiazol - 2 - y l ) - 5 - ( 3 - carboximethoxyphenyl)-2-(4-sulfophenyl)-2H-tetrazolium salt. Cells were exposed to dipropyl sulfide and dipropyl disulfide in concentrations between 0-200 μM for 2, 4 and 8 h. After periods of exposure, no alterations were observed in any of the biomarkers assayed. These results suggest that both organosulfur compounds are safety options for food industry and could be a choice in the development of active packaging.

Servicio de Biología del Centro de Investigación, Tecnología e Innovación de la Universidad de Sevilla (CITIUS)

Ministerio de Ciencia e Innovación (España) AGL2012-38357-C02-01

Junta de Andalucía AGR-7252

Country
Spain
Related Organizations
Keywords

Allium spp essential oil, Cytotoxicity, Dipropil disulfuro, Dipropyl sulfide, Dipropil sulfuro, Caco-2, Dipropyl disulfide, Citotoxicidad, Aceite esencial de Allium spp.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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