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Artículo

Chemical quality and oxidative stability of extra virgin olive oils from San Juan province (Argentina)

Ceci, Liliana Noemí; Mattar, Susana B; Carelli Albarracin, Amalia AntoniaIcon
Fecha de publicación: 08/2017
Editorial: Elsevier Science
Revista: Food Research International
ISSN: 0963-9969
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Alimentos y Bebidas

Resumen

This study provides information about the chemical quality (quality indices, fatty acid profile, total polyphenols(PPs), tocopherols and pigments) and oxidative stability index (OSI) of virgin olive oils of Arbequina, ChanglotReal and Coratina cultivars (San Juan province, Argentina). The influence of the cultivar and the effect of earlier harvest dates on the yields (OY), quality and OSI of the oils were also evaluated. All the oils were classified as extra virgin. The OY (L/100 kg) averaged: Arbequina = 13.2, Changlot Real = 21.3, Coratina = 18.3. The oleic acid (O) percentage, oleic to linoleic plus linolenic ratio [O / (L + Ln)], PPs and OSI were highly dependent on cultivar (Arbequina < Changlot Real < Coratina). The earlier harvest season associated with lower maturity indices increased the OSI of all the oils (Arbequina: from 6.3?13.8 h up to 10.6?19.0 h, Changlot: from 6.0-12.1 h up to 13.7-36.9 h and Coratina: from 20.5?26.0 h up to 24.6?42.4 h) due to a more favorable O / (L + Ln) ratioand antioxidant composition. Regional producers are recommended to bring forward the harvest season to obtain oils with better chemical and nutritional quality, higher oxidative stability and a fatty acid profile according to the IOC trade standard.
Palabras clave: Olive Oil , Oxidative Stability , Fatty Acids , Polyphenols , Tocopherols , Pigments
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/42997
DOI: http://dx.doi.org/10.1016/j.foodres.2017.07.074
URL: https://www.sciencedirect.com/science/article/pii/S0963996917304155
Colecciones
Articulos(PLAPIQUI)
Articulos de PLANTA PILOTO DE INGENIERIA QUIMICA (I)
Citación
Ceci, Liliana Noemí; Mattar, Susana B; Carelli Albarracin, Amalia Antonia; Chemical quality and oxidative stability of extra virgin olive oils from San Juan province (Argentina); Elsevier Science; Food Research International; 100; 1; 8-2017; 764-770
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