拉曼光谱法快速鉴别蜂蜜中掺入甜菜糖浆的可行性研究

被引：17

作者：

李水芳 ^{[1
]}

单杨 ^{[2
]}

尹永 ^{[3
]}

周孜 ^{[3
]}

凌国巍 ^{[1
]}

机构：

[1] 中南林业科技大学理学院

[2] 湖南省食品测试分析中心

[3] 湖南明园蜂业有限公司

来源：

中国食品学报 | 2012年 / 12卷 / 06期

关键词：

拉曼光谱; 蜂蜜; 掺假; 甜菜糖浆; 偏最小二乘-线性判别分析;

D O I：

暂无

中图分类号：

S896.1 [蜂蜜];

学科分类号：

090507 [智慧养殖与动物生产学];

摘要：

对蜂蜜用各种廉价的糖浆掺假,一直是蜂蜜行业的严重问题。本文利用拉曼光谱结合化学计量学方法对蜂蜜中掺入甜菜糖浆进行鉴别。用airPLS法扣除拉曼荧光背景,用自归一化法预处理光谱,在全谱范围(4000～10000cm-1)内建立偏最小二乘-线性判别分析（PLS-LDA）模型,并进行预测。训练集10折交互验证的判别总正确率为90.4%,预测集的判别总正确率为95.4%。实验结果表明拉曼光谱结合化学计量学方法可快速鉴别蜂蜜中掺入的甜菜糖浆。

引用

页码：148 / 153

页数：6

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