Analysis of Antioxidant Activity of Chinese Brown Rice by Fourier-Transformed Near Infrared Spectroscopy and Chemometrics

Table 1

Results of full-spectrum PLS (FS-PLS) models for predictions of antioxidant activity of brown rice.

	TPC (mg GAE/g)			DPPH (mg GAE/g)
	RMSECV^a	RMSEP^b	LVs^c	RMSECV	RMSEP	LVs
Raw data	0.242	0.303	7	0.269	0.283	8
Smoothing	0.196	0.232	6	0.243	0.244	9
D2	0.191	0.209	6	0.233	0.219	8
SNV	0.162	0.167	6	0.199	0.211	7

RMSECV: root mean squared error of cross-validation.
^bRMSEP: root mean squared error of prediction.
^cNumber of PLS components.