Fig. 6

NIR spectra of three saffron samples, representing the identified quality subcategories, pre-treated with SNV derived first. The vertical lines identify the 15 variables, with greater weight in the classification, used in the models.

NIR spectra of three saffron samples, representing the identified quality subcategories, pre-treated with SNV derived first. The vertical lines identify the 15 variables, with greater weight in the classification, used in the models.