Department of Animal Production and Food Science, University of Zaragoza, Miguel Servet 177, 50013 Zaragoza, Spain.
Meat Sci. 2012 Dec;92(4):366-73. doi: 10.1016/j.meatsci.2012.01.004. Epub 2012 Jan 12.
This study compared the influence of dietary fat sources on meat quality, fatty acid composition and sensory attributes in pork. The experiment was conducted with 43 entire male pigs (Pietrain×(Landrace×Large White)) which were fed a basal diet without added fat (control diet) or supplemented with different sources of fat: animal fat (1%, AF1; 3%, AF3), soyabean oil (1%, SBO1) and calcium soaps of palm oil (1%, CaSPO1). Dietary fat supplementation did not significantly affect ultimate pH, colour, Warner-Bratzler shear force values, sensory attributes or SFA. Pigs fed SBO1 had the lowest proportion of MUFA and the highest of PUFA. In conclusion, these dietary fat sources could be recommended for inclusion in diets, at these levels, with no detrimental effect on eating quality. Despite finding no significant differences, the PCA afforded a comprehensive view of the predominating attributes of pork from animals fed the different fats.
本研究比较了不同脂肪源对猪肉品质、脂肪酸组成和感官特性的影响。实验采用 43 头全雄性皮特兰猪(Pietrain×(长白猪×大白猪))进行,它们分别饲喂基础日粮(不添加脂肪,对照日粮)或添加不同脂肪源:动物脂肪(1%,AF1;3%,AF3)、大豆油(1%,SBO1)和棕榈油钙皂(1%,CaSPO1)。脂肪添加并未显著影响最终 pH 值、色泽、 Warner-Bratzler 剪切力值、感官特性或 SFA。饲喂 SBO1 的猪的 MUFA 比例最低,PUFA 比例最高。总之,这些脂肪源可以在不影响食用品质的情况下,以这些水平添加到日粮中。尽管没有发现显著差异,但 PCA 提供了一个全面的视角,可以了解不同脂肪喂养的猪肉的主要特性。