脂肪氧化初期脂肪酸与氧化指标变化相关性研究

被引：4

作者：

张海容 ^{[1
]}

王强 ^{[2
]}

机构：

[1] 德州学院农学系

[2] 重庆教育学院生命科学与化学系

来源：

食品科技 | 2010年 / 03期

关键词：

脂肪酸; PV; TBARS; 氧化初期; 相关性;

D O I：

10.13684/j.cnki.spkj.2010.03.055

中图分类号：

R151 [营养学];

学科分类号：

100403 ;

摘要：

以牦牛肾周脂为研究对象,研究了其在储藏期(15±1)℃下脂肪酸与氧化指标(TBARS和PV)在动态变化中的相关性。结果表明:牦牛肾脂脂肪氧化初期发生于储藏期第0～25天。比较脂肪酸与氧化指标变化后发现,SFA与TBARS(和PV)呈较高正相关(≥0.971),MUFA和PUFA与TBARS(和PV)具有较低负相关系数(≤0.926)。在MUFA中,C16:1和C18:1与氧化指标的负相关系数较低,分别为-0.932和-0.981;在PUFA中,除CLA和LA外,其他多不饱和脂肪酸与氧化指标的相关性均较好(≥0.891)。因此,TBARS和PV可以被用于间接评估脂肪在工业开发前储存期间不饱和脂肪酸的含量分布状态。

引用

页码：134 / 137

页数：4

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