A study on casein genetic polymorphism in water buffalo milk of Mediterranean breed, reared in Southern Italy, was carried out by means of immunoelectrophoretic and chromatographic techniques coupled with mass spectrometry analysis. When compared with reference as1-CN variant A, the results showed the occurrence of a new as1-casein (as1-CN) B genetic variant having a single silent amino acid substitution Leu178(A)/Ser178(B). In Mediterranean buffalo milks the allelic frequency of new as1-CN B was very similar to that determined in Mozzarella di bufala campana (MBC), a Protected Denomination of Origin (PDO) cheese, made exclusively from whole raw buffalo milk of this breed. The relative percentage of the two as1-CN variants, either in bulk milk or MBC cheese, can be used in defining the authenticity of PDO MBC cheese.

Occurrence of genetic polymorphism at the s1-CN locus in Mediterranean water buffalo milk / Chianese, Lina; Quarto, Maria; Pizzolongo, Fabiana; Calabrese, MARIA GRAZIA; Caira, S.; Mauriello, Rosalba; DE PASCALE, Sabrina; Addeo, Francesco. - In: INTERNATIONAL DAIRY JOURNAL. - ISSN 0958-6946. - STAMPA. - 19:(2009), pp. 181-189. [10.1016/j.idairyj.2008.09.008]

Occurrence of genetic polymorphism at the s1-CN locus in Mediterranean water buffalo milk

CHIANESE, LINA;QUARTO, MARIA;PIZZOLONGO, FABIANA;CALABRESE, MARIA GRAZIA;MAURIELLO, ROSALBA;DE PASCALE, SABRINA;ADDEO, FRANCESCO
2009

Abstract

A study on casein genetic polymorphism in water buffalo milk of Mediterranean breed, reared in Southern Italy, was carried out by means of immunoelectrophoretic and chromatographic techniques coupled with mass spectrometry analysis. When compared with reference as1-CN variant A, the results showed the occurrence of a new as1-casein (as1-CN) B genetic variant having a single silent amino acid substitution Leu178(A)/Ser178(B). In Mediterranean buffalo milks the allelic frequency of new as1-CN B was very similar to that determined in Mozzarella di bufala campana (MBC), a Protected Denomination of Origin (PDO) cheese, made exclusively from whole raw buffalo milk of this breed. The relative percentage of the two as1-CN variants, either in bulk milk or MBC cheese, can be used in defining the authenticity of PDO MBC cheese.
2009
Occurrence of genetic polymorphism at the s1-CN locus in Mediterranean water buffalo milk / Chianese, Lina; Quarto, Maria; Pizzolongo, Fabiana; Calabrese, MARIA GRAZIA; Caira, S.; Mauriello, Rosalba; DE PASCALE, Sabrina; Addeo, Francesco. - In: INTERNATIONAL DAIRY JOURNAL. - ISSN 0958-6946. - STAMPA. - 19:(2009), pp. 181-189. [10.1016/j.idairyj.2008.09.008]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11588/339130
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