可见近红外反射光谱法检测马铃薯抗性淀粉含量的研究.PDF

6 8 Vol. 6 No. 8 2015 8 Journal of Food Safety and Quality Aug. , 2015 / * 张婧婷, 吴建虎 , 蔡亚琴 (, 041000) 摘 要: 目的 /方法 345~1100 nm ; Savitzky–Golay(S-G) (MSC)(1st st -D); (S-G)MSC 1 -D , , 结果 , /, 8 (370569576866868886922 963 nm): R=0.996, SEC=0.521%; Rcv=0.982, SECV=0.791%结论 / , 关键词: ; ; /; ; Detection of potato resistant starch content by visual/near infrared reflectance spectroscopy * ZHANG Jing-Ting, WU Jian-Hu , CAI Ya-Qin (Institute of Food Science , Shanxi Normal University, Linfen 041000, China) ABSTRACT: Objective To determine whole potato tubers resistant starch (RS) content nondestructively by visual/near infrared reflectance (VIS/NIR) spectroscopy. Methods The VIS/NIR reflectance spectrum were collected in 345~1100 nm using spectrography. The spectrum was pretreated by using Savitzky–Golay smoothing (S-G), multiplicative scattering correction (MSC) and first derivative (1st-Der) methods, respectively. The optimal wavelength combinations from