Calculating the iodine value for Italian heavy pig subcutaneous adipose tissue from fatty acid methyl ester profiles.

Autor: Lo Fiego DP; Department of Life Sciences, University of Modena and Reggio Emilia, Padiglione Besta, Via G. Amendola 2, 42122 Reggio Emilia, Italy; Interdipartimental Research Centre for Agri-Food Biological Resources Improvement and Valorisation, University of Modena and Reggio Emilia, Padiglione Besta, Via G. Amendola 2, 42122 Reggio Emilia, Italy., Minelli G; Department of Life Sciences, University of Modena and Reggio Emilia, Padiglione Besta, Via G. Amendola 2, 42122 Reggio Emilia, Italy; Interdipartimental Research Centre for Agri-Food Biological Resources Improvement and Valorisation, University of Modena and Reggio Emilia, Padiglione Besta, Via G. Amendola 2, 42122 Reggio Emilia, Italy. Electronic address: giovanna.minelli@unimore.it., Volpelli LA; Department of Life Sciences, University of Modena and Reggio Emilia, Padiglione Besta, Via G. Amendola 2, 42122 Reggio Emilia, Italy; Interdipartimental Research Centre for Agri-Food Biological Resources Improvement and Valorisation, University of Modena and Reggio Emilia, Padiglione Besta, Via G. Amendola 2, 42122 Reggio Emilia, Italy., Ulrici A; Department of Life Sciences, University of Modena and Reggio Emilia, Padiglione Besta, Via G. Amendola 2, 42122 Reggio Emilia, Italy; Interdipartimental Research Centre for Agri-Food Biological Resources Improvement and Valorisation, University of Modena and Reggio Emilia, Padiglione Besta, Via G. Amendola 2, 42122 Reggio Emilia, Italy., Macchioni P; Department of Agricultural and Food Sciences, University of Bologna, Via G. Fanin 44, 40127 Bologna, Italy.
Jazyk: angličtina
Zdroj: Meat science [Meat Sci] 2016 Dec; Vol. 122, pp. 132-138. Date of Electronic Publication: 2016 Aug 06.
DOI: 10.1016/j.meatsci.2016.08.002
Abstrakt: In this work, different equations were compared as for their effectiveness in predicting the iodine value (IV), based on fatty acid (FA) composition of subcutaneous adipose tissue of Italian heavy pigs. In particular, six equations were tested: AOCS (1); modified AOCS (2), including all unsaturated FA (UFA); regression models obtained using the stepwise regression procedure as variable selection method, calculated considering only UFA (3) or all the FA (4); regression models obtained using the backward elimination procedure, calculated considering only UFA (5) or all the FA (6). The comparison of the equations performance, estimated using an external test set, showed that the use of regression models led to significant enhancements of prediction accuracy with respect to the AOCS equations. Using both equations 4 and 6, the average paired differences between experimental and predicted IV values were not statistically significant. Therefore, it is possible to use these equations for IV estimation of the subcutaneous adipose tissue of Italian heavy pigs.
(Copyright © 2016 Elsevier Ltd. All rights reserved.)
Databáze: MEDLINE
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