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Short communication. Fatty acid composition of lamb fat depots as an origin discriminator

 

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Opened Access Short communication. Fatty acid composition of lamb fat depots as an origin discriminator
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Título alternativo: Comunicación corta. Composición de ácidos grasos de los depósitos grasos de cordero como discriminador del origen
Author: Horcada Ibáñez, Alberto Luis
Aldai, N.
Polvillo Polo, Oliva
Valera Córdoba, María Mercedes
Molina, A.
Juárez Dávila, Manuel María
Department: Universidad de Sevilla. Departamento de Ciencias Agroforestales
Date: 2010
Published in: Spanish Journal of Agricultural Research 8(4), 976-980
Document type: Article
Abstract: The development of quality labels for different lamb meats makes necessary to implement analytical methodologies to guarantee consumers the origin of the products. Eighty single birth male lambs from five Southern Spain sheep breeds (Grazalema Merino, Churra Lebrijana, Spanish Merino, Montesina and Segureña) were selected for the study and fed according to their traditional production system (with or without weaning). The fatty acid composition of five different depots (intramuscular, intermuscular, subcutaneous, omental and kidney knob) was analyzed by gas chromatography, showing a high variability among lamb types. The lipid profile of single fat depots was not able to assign 100% of the carcasses to their origin, but using the information from two depots (including intramuscular, or combining an external and an internal fat depot) led to a reliability of 100%. Any combination of 3, 4 or 5 depots also obtained 100% correct discrimination. La aparición de distintivos de calidad para carnes de cordero hace necesario el desarrollo de métodos analíticos que garanticen al consumidor el origen de dichos productos. Se seleccionaron para este estudio ochenta corderos machos, provenientes d...
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URI: http://hdl.handle.net/11441/30754

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