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3 不同处理方法对青花菜中GBC组分定标方程的对比

Table 3 Comparison of GBC in broccoli with different treatment methods

光谱预处理方法 Spectral treatment method GBC 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 0.860 0.813 0.829 0.854 原始光谱+SD Original spectrum+SD 0.884 0.778 0.825 0.869 SNV+Detrend+FD 0.861 0.831 0.845 0.855 SNV+Detrend+SD 0.899 0.717 0.760 0.887 SNV+FD 0.862 0.846 0.867 0.854 SNV+SD 0.912 0.692 0.738 0.892 Detrend+FD 0.849 0.836 0.861 0.839 Detrend+SD 0.875 0.802 0.842 0.862