Elemental and isotopic characterisation of typical Italian alpine cheeses

被引:66
作者
Bontempo, L. [1 ]
Larcher, R. [1 ]
Camin, F. [1 ]
Hoelzl, S. [2 ]
Rossmann, A. [3 ]
Horn, P. [2 ]
Nicolini, G. [1 ]
机构
[1] IASMA Fdn Edmund Mach, I-38010 San Michele All Adige, TN, Italy
[2] Bavarian States Collect Palaeontol & Geol, D-80333 Munich, Germany
[3] Isolab GmbH, D-85301 Schweitenkirchen, Germany
关键词
GEOGRAPHICAL ORIGIN; MILK; RATIOS; TRACE; VARIETY;
D O I
10.1016/j.idairyj.2011.01.009
中图分类号
TS2 [食品工业];
学科分类号
100403 [营养与食品卫生学];
摘要
Seven kinds of bovine milk cheese (Asiago, N = 16; Fontina, N = 16; Montasio, N = 16; Puzzone, N = 14; Spressa, N = 15; Toma, N = 16; Vezzena, N = 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, delta C-13(casein), delta N-15(casein) and delta O-18(glycerol) correctly classified 94% of the 109 samples with a maximum of 100% in the case of Fontina and Puzzone, delta C-13(casein) and delta C-13(glycerol) provided an estimation of the maize uptake in the animals' diet and Protected Designation of Origin protocol observance. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码:441 / 446
页数:6
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