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Ability of near infrared reflectance spectroscopy (NIRS) to estimate physical parameters of adult steers (oxen) and young cattle meat samples

AutorPrieto, Nuria ; Andrés, Sonia ; Giráldez, Francisco Javier ; Mantecón, Ángel R. ; Lavín, Paz
Palabras claveBeef
Physical parameters
Fecha de publicación2008
CitaciónMeat Science 79(4): 692-699 (2008)
ResumenThe potential of NIRS-based models to predict several physical parameters of oxen and young cattle beef protected by a quality mark was evaluated. Fifty-three and 67 samples of Longissimus thoracis muscle corresponding to oxen and young cattle reared in extensive conditions were analyzed for pH, colour (L*, a*, b*), water holding capacity (WHC) and Warner–Braztler shear force (WBSF), according to the conventional methods. Several factors which might have jeopardized the prediction of pH, a*, WHC and WBSF by NIRS are considered in the discussion section. However, the best NIR calibrations, tested by full cross-validation, were for L* (R2 = 0.869; SECV = 1.56) and b* (R2 = 0.901; SECV = 1.08) colour parameters in meat samples from young cattle. It can be concluded that NIRS could be a useful tool for estimating the colour of young cattle meat samples, primary consideration for consumers when making purchasing decisions.
Descripción8 pages.-- Available online 7 Nov 2007.
Versión del editorhttp://dx.doi.org/10.1016/j.meatsci.2007.10.035
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