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a b s t r a c tSeven kinds of bovine milk cheese (Asiago, N ¼ 16; Fontina, N ¼ 16; Montasio, N ¼ 16; Puzzone, N ¼ 14; Spressa, N ¼ 15; Toma, N ¼ 16; Vezzena, N ¼ 16) produced in alpine and pre-alpine Italian areas are described using the isotopic ratios of C, N, O, S and Sr and the contents of 49 mineral elements.A multivariate discriminant analysis based on Ba, Ca, K, Mg, Rb, d 13 C casein , d 15 N casein and d 18 O glycerol correctly classified 94% of the 109 samples with a maximum of 100% in the case of Fontina and Puzzone, d 13 C casein and d 13 C glycerol provided an estimation of the maize uptake in the animals' diet and Protected Designation of Origin protocol observance.

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