of the aroma and bitter attributes, were predominant. Cow cheeses (CC) were characterized by higher scores regarding sweet attributes and elasticity, adhesiveness, and humidity. Regarding the microbiota, the PCA confirmed the different distribution of mesophilic and thermophilic LAB among the cheeses produced. The above-reported results showed that ewe and goat milk, added to cow milk during cheese making, substantially influenced the structure of the produced cheese. The low scores of the CG sample for the intensity of flavor were confirmed by the lower proteolytic activity, as also observed by Yvon and Rijnen (2001). Moreover, cheeses with evident lipolysis, as observed for mixed products, differ for strong flavors (Kindstedt et al., 2004). The data also confirmed the influence of the starting milk, as the peculiar flavor and texture, typical of ewe and goat milk cheeses, could be partly explained by compo- sitional differences in caseins and fats with respect to cow milk. The influence of milk composition on cheese structure has been reported by Pereira et al. (2011). In addition, in raw milk cheeses, the native microbiota may have played an important role and have contrib- uted to their distinct sensorial characteristics.