应用近红外透射光谱法测定稻米胶稠度研究  

Application of Near Infrared Transmittance Spectroscope (NITS) for Determination of Gel Consistency of Rice

作　　者：谢新华[1,2] 李晓方[2] 肖昕[2] 

机构地区：[1]河南农业大学食品科学技术学院,郑州450002 [2]广东省农业科学院水稻研究所农业部水稻遗传改良重点开放实验室/广东省水稻育种新技术重点实验室,广州510640

出　　处：《中国粮油学报》2009年第2期145-147,共3页Journal of the Chinese Cereals and Oils Association

基　　金：广东省自然科学基金资助项目(04101155)

摘　　要：以195份稻米为样品,利用近红外透射光谱分析仪,对样品进行光谱扫描,并利用化学法测定胶稠度。利用近红外定标软件,采用多种计量数学处理方法和不同的回归统计方法进行定标曲线的开发和比较,得到了稻米胶稠度测定的近红外分析数学模型,数学模型的定标标准偏差(SEC)、交叉检验标准误差(SECV)和定标决定系数(RSQ)分别为:10.35、10.51和0.8279。内部交叉验证和外部验证结果表明近红外定量分析胶稠度有很高的准确度。One hundred and ninety- five samples of rice were scanned by a near infrared transmittance spectroscope （NITS）, and their gel consistency were determined with the chemical method. With calibration maker software, several mathematics treatments to the sample spectra and several different regression methods were adopted to optimize a good calibration equation for determination of gel consistency of rice. The standard error of calibration （SEC）, standard error of cross-validation （SECV） and regression squared （RSQ） of the calibration selected are 10.35, 10.51 and 0. 827 9, respectively. The NITS method exhibits high accuracy in predicting tests of cross validation and independent validation.

关 键 词：近红外透射光谱 稻米 胶稠度 

分 类 号：TP274.52[自动化与计算机技术—检测技术与自动化装置] S511[自动化与计算机技术—控制科学与工程]