Improvement in Analytical Methods for Determination of Sugars in Fermented Alcoholic Beverages

Table 3

Results of MIR-PLS calibration models for the determination of sugars in alcoholic beverages.

Data treatment	Analytes	Principal components	Calibration		Validation
			R^2	RMSEE	R^2	RMSEP
Second derivative	Glucose	6	0.992	0.18	0.987	0.55
Second derivative	Fructose	6	0.997	0.06	0.996	0.28
Second derivative	Sucrose	6	0.989	0.22	0.996	0.38
Second derivative	Maltose	6	0.999	0.04	0.997	0.29

RMSEE: root mean square error of estimation; RMSEP: root mean square error of prediction.