近红外光谱对特征部位牛肉的分析

被引:10
作者
陈育涛 [1 ]
朱秋劲 [1 ,2 ,3 ]
卢开红 [3 ]
陈舟东 [3 ]
陈步友 [4 ]
杨万根 [5 ]
机构
[1] 贵州大学生命科学学院
[2] 贵州大学食品科学工程研究中心
[3] 国家牛肉加工技术研发分中心
[4] 贵州罗汉食品有限公司
[5] 徐州工程学院
关键词
近红外透射; 偏最小二乘法; 牛肉; 化学成分;
D O I
暂无
中图分类号
TS251.7 [产品标准与检验]; O657.33 [红外光谱分析法];
学科分类号
083203 ; 070302 ; 081704 ;
摘要
通过采集牛霖、牛柳、牛腩3个部位牛肉样品的近红外光谱并对其蛋白质、脂肪、水分和灰分等化学指标进行测定,应用偏最小二乘法分别建立蛋白质、脂肪、水分和灰分的校正模型。牛霖样品的灰分和水分校正模型相关系数分别为0.9843、0.9740,预测相关系数分别为0.9502、0.9342;牛柳样品的蛋白质和水分校正模型相关系数分别是0.9540、0.7752,预测相关系数分别为0.9500、0.9060;牛腩样品的灰分和脂肪校正模型相关系数分别是0.9746、0.9218,预测相关系数分别是0.9560、0.9233;牛霖和牛柳样品的水分总校正模型相关系数为0.7504,预测相关系数是0.9737;牛腩和牛霖样品的灰分总校正模型相关系数是0.8770,预测相关系数为0.9777。结果表明:近红外光谱分析法预测准确度较高,可以用于评价牛肉品质。
引用
收藏
页码:34 / 38
页数:5
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