几种典型食用油脂拉曼光谱分析研究

被引:14
作者
杨坤
褚昆昆
朱祥
杨红军
袁捷
程学瑞
机构
[1] 郑州轻工业学院高压科学与技术研究中心
关键词
食用油脂; 拉曼光谱; 碘值;
D O I
暂无
中图分类号
O657.37 [拉曼光谱分析法]; TS227 [产品标准与检验];
学科分类号
摘要
该文主要采用拉曼光谱技术对大豆油、花生油、棕榈油和猪油的拉曼光谱进行分析。分析结果表明,几种食用油脂的拉曼光谱强度的相对比值A3009/A2850,A3009/A1437,A1654/A2850和A1654/A1437可以大致表征油脂中的C=C双键的含量。进一步分析表明,相对强度A3009/A1437与油脂的碘值线性关系最好。因此可利用油脂拉曼光谱的相对强度A3009/A1437对油脂进行质量分析和掺假鉴别。
引用
收藏
页码:56 / 58
页数:3
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