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| 蜂蜜用葡萄糖溶液掺假的近红外光谱检测 | |
| 引用本文： | 李水芳,单杨,张欣,朱向荣,李高阳.蜂蜜用葡萄糖溶液掺假的近红外光谱检测[J].食品研究与开发,2011,32(5):114-119. |
| 作者姓名： | 李水芳 单杨 张欣 朱向荣 李高阳 |
| 作者单位： | 1. 中南林业科技大学,理学院,湖南,长沙,410004 2. 湖南省食品测试分析中心,湖南,长沙,410025 3. 中南大学,隆平分院,湖南,长沙,410083 |
| 基金项目： | 国家"十一五"科技支撑计划项目 |
| 摘 要： | 为实现蜂蜜用葡萄糖溶液掺假的快速检测,利用近红外光谱技术(NIRS)对真假蜂蜜样本进行了研究。121个真蜂蜜样本中取8个分别按5%、10%、15%、20%、25%、30%、35%、45%、55%和65%的质量比掺假,共得80个掺假样本。不同光谱预处理方法的模型结果表明最佳预处理方法为自归一化加一阶微分(真假判别)和中心化加一阶微分(掺假量分析)。利用CARS(Competitive adaptive reweighted sampling)法筛选变量,PLS-LDA模型对真假蜂蜜的判别准确率为100%,PLS模型对掺假量定量分析的交互验证均方差为3.137 7,预测均方差为2.980 0。结果表明NIRS能实现蜂蜜用葡萄糖掺假的检测。 |
| 关 键 词： | 蜂蜜掺假 近红外透反射光谱 葡萄糖溶液 判别分析 定量分析 |
Analysis of Honey Adulterated with Glucose Solution Near Infrared Spectroscopy |
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| LI Shui-fang,SHAN Yang,ZHANG Xin,ZHU Xiang-rong,LI Gao-yang.Analysis of Honey Adulterated with Glucose Solution Near Infrared Spectroscopy[J].Food Research and Developent,2011,32(5):114-119. | |
| Authors: | LI Shui-fang SHAN Yang ZHANG Xin ZHU Xiang-rong LI Gao-yang |
| Affiliation: | LI Shui-fang1,SHAN Yang2,ZHANG Xin3,ZHU Xiang-rong2,LI Gao-yang2(1.College of Science,Central South University of Forestry & Technology,Changsha 410004,Hunan,China,2.Hunan Center for Food Detection and Analysis,Changsha 410025,3.College of Longping,Central South University,Changsha 410083,China) |
| Abstract: | Near infrared spectroscopy(NIRS) was used to detect honey adulteration by addition of glucose solution.8 of 121 authentic honey samples were adulterated with glucose solution at ten levels i.e.5 %,10 %,15 %,20 %,25 %,30 %,35 %,45 %,55 % and 65 % weight ratio,thus producing 80 adulterated honeys.By comparison of different methods of pretreating spectra,the best method for discrimination was autoscaling combining first derivative,while for quantitative analysis of adulteration level being center combining fir... |
| Keywords: | adulterated honey near infrared spectroscopy glucose solution discriminant analysis quantitative analysis |
| 本文献已被 CNKI 万方数据 等数据库收录！ | |