柯乐猪的肉品质和风味指标测定及相关性分析
GUIZHOU JOURNAL OF ANIMAL HUSBANDRY & VETERINARY MEDICINE（2022）
Abstract
为进一步了解贵州地方猪品种柯乐猪的肉质风味特性,试验选取健康去势的公猪及母猪各25头进行屠宰,测定肉品质和风味指标,并分析柯乐猪肉质、风味及各性状间的相关性.结果:(1)柯乐猪屠宰率为(78.15±2.63)％,背膘厚(51.50±13.08)mm,眼肌面积(26.41±4.73)cm2;肌肉滴水损失为(1.96±0.51)％,剪切力(2.83±0.82)kgf,肌内脂肪(5.71±2.62)％.(2)去势公猪肌肉脂肪酸中的棕榈酸、亚麻酸含量显著高于去势母猪(P<0.05);去势母猪肌肉中各氨基酸含量均高于去势公猪(P>0.05).(3)各氨基酸含量之间极显著正相关(P<0.01);肌内脂肪、油酸、亚油酸、花生三烯酸、花生四烯酸、天冬氨酸、谷氨酸与肉质性状、脂肪酸、氨基酸相关性较高.结论:柯乐猪肉质和风味性状较好;去势公猪脂肪酸含量及组成较优,去势母猪氨基酸含量更高;肌内脂肪、油酸、亚油酸、花生三烯酸、花生四烯酸、天冬氨酸、谷氨酸可作为其肉质风味评价的关键指标.
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