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Fatty acid profile and vitamins A and E contents of milk in goat farms under Mediterranean wood pastures as affected by grazing conditions and seasons

Acceso restringido Fatty acid profile and vitamins A and E contents of milk in goat farms under Mediterranean wood pastures as affected by grazing conditions and seasons

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Autor: Gutiérrez Peña, Rosario
Fernández Cabanás, Víctor Manuel
Mena Guerrero, Yolanda
Delgado Pertíñez, Manuel
Departamento: Universidad de Sevilla. Departamento de Ciencias Agroforestales
Fecha: 2018
Publicado en: Journal of Food Composition and Analysis, 2018, 2-44.
Tipo de documento: Artículo
Resumen: European small ruminant systems are mainly situated in mountain areas and for the production model to be sustainable, the quality of products and traceability should be analysed. Technical data and bulk milk samples (n = 48 for each season) from 16 goat farms were collected each month during the four seasons of the year. According to the indicator Net energy provided by grazing on shrublands (NERG), farms were separated in High (n = 3, 59% NERG), Medium (n = 9, 39%) and Low (n = 4, 16%) Grazing groups. Samples were analysed for fatty acid (FA) profile and vitamin A and E contents, and was evaluated its utility to discriminate milk samples. Few differences were found in the analyzed parameters between farm groups. However, important changes were reported according to season. Spring milk (46% NERG) showed significantly higher levels of some healthy FA (total polyunsaturated, 4.67 ± 0.044% of total FA; n-3, 0.94 ± 0.017; conjugated linoleic acid total, 0.51 ± 0.008), summer (37% NERG) an...
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Cita: Gutiérrez Peña, R., Fernández Cabanás, V.M., Mena Guerrero, Y. y Delgado Pertíñez, M. (2018). Fatty acid profile and vitamins A and E contents of milk in goat farms under Mediterranean wood pastures as affected by grazing conditions and seasons. Journal of Food Composition and Analysis, 2018, 2-44.
Tamaño: 345.3Kb
Formato: PDF

URI: https://hdl.handle.net/11441/77152

DOI: 10.1016/j.jfca.2018.07.003

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