青花菜中硫代葡萄糖苷RAA和GBC的近红外光谱快速测定

刘倩男,黄伟,丁云花,王亚钦,胡丽萍,赵学志,何洪巨,刘光敏

Rapid Determination of RAA and GBC in Broccoli by Near Infrared Spectroscopy

LIU QianNan,HUANG Wei,DING YunHua,WANG YaQin,HU LiPing,ZHAO XueZhi,HE HongJu,LIU GuangMin

表2 不同处理方法对青花菜中RAA组分定标方程的对比

Table 2 Comparison of calibration equations of RAA in broccoli by different treatment methods

光谱预处理方法 Spectral treatment method RAA 定标相关系数 RSQ 矫正标准偏差 SEC 内部交叉验证误差 SECV 内部交叉验证相关系数 1-VR 原始光谱+FD Original spectrum+FD 0.814 1.436 1.461 0.808 原始光谱+SD Original spectrum+SD 0.848 1.263 1.330 0.831 SNV+Detrend+FD 0.832 1.363 1.402 0.823 SNV+Detrend+SD 0.859 1.214 1.275 0.844 SNV+FD 0.834 1.359 1.401 0.823 SNV+SD 0.867 1.209 1.269 0.846 Detrend+SD 0.794 1.511 1.535 0.788 Detrend+FD 0.839 1.319 1.385 0.823