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A feasibility study on the use of near-infrared spectroscopy for prediction of the fatty acid profile in live Iberian pigs and carcasses.
MedLine Citation:
PMID:  20416647     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
This work reports on the development and optimisation of NIRS technology for fat characterization both in live pigs and in carcasses in the slaughterhouse; use of this technology would enable implementation of a real-time traceability and control system based on non-destructive sensors. A total of 52 Iberian pig fat samples were analysed using a LabSpec(®)Pro A108310 spectrophotometer (Analytical Spectral Device Inc.), with a high-intensity fiber-optic contact probe. Spectra were collected in five analysis modes: from the live animal, from the carcass in the slaughterhouse, from a subcutaneous fat sample with skin, from a skin-free subcutaneous fat sample and from a transverse section. Calibrations were developed for the prediction of the four main fatty acids in Iberian pig fat, obtaining for palmitic acid SECV values of 1.24% for in vivo analysis and 0.82% for carcass analysis, for stearic acid 0.67% and 0.94%, for oleic acid 1.42% and 1.48% and for linoleic 0.36% and 0.55%, respectively. The calibrations accounted for between 60% and 74% of the variation recorded in live animals, and between 31% and 87% of variation in carcasses. These results confirm the feasibility of NIRS technology for the on-site inspection and control of Iberian pig, both in the field and in the slaughterhouse.
Authors:
D Pérez-Marín; E De Pedro Sanz; J E Guerrero-Ginel; A Garrido-Varo
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Publication Detail:
Type:  Journal Article     Date:  2009-07-23
Journal Detail:
Title:  Meat science     Volume:  83     ISSN:  0309-1740     ISO Abbreviation:  Meat Sci.     Publication Date:  2009 Dec 
Date Detail:
Created Date:  2012-08-03     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101160862     Medline TA:  Meat Sci     Country:  England    
Other Details:
Languages:  eng     Pagination:  627-33     Citation Subset:  -    
Affiliation:
Department of Animal Production, ETSIAM, University of Cordoba, Campus Rabanales, 14071 Cordoba, Spain.
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