Experimental spaghetti samples (i.e., control, B20 and B40) were characterised by high lightness (L⁄) and low values of the chromatic indices (a⁄ and b⁄), in line with colour characteristics of previous studies (Marti, Caramanico, Bottega, & Pagani, 2013; Flores-Silva et al., 2014) (Table 2).