Table 1. PLSR results for predicting adulteration of beef with chicken meat (uncooked samples)
Parameter
Fixed excitation (nm)
Emission wavelength range (nm)
r2C
RMSEC (%)
r2CV
RMSEP (%)
Level of adulteration (%)
290
305–450
0.89
3.49
0.86
4.82
322
340–550
0.92
2.31
0.88
1.99
340
360–600
0.97
0.78
0.95
0.56
PLSR, partial least squares regression; r2C, coefficient of determination for calibration; r2CV, coefficient of determination for prediction; RMSEC, root mean square error of calibration; RSMEP, root mean square error of prediction.