Research Article

Prediction of α-Solanine and α-Chaconine in Potato Tubers from Hunter Color Values and VIS/NIR Spectra

Figure 4

Measured vs. predicted scores of α-chaconine (mg kg−1) in the calibration (blue) and prediction (red) sets with PLS models using (a) Hunter’s values; (b) Hunter’s values; (c) ()2 values; and (d) multivariate values.
(a)
(b)
(c)
(d)