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Short communication: Relationships between milk quality and acidification in the production of table Mozzarella without starters

Dipartimento di Progettazione e Gestione dei Sistemi Agro-zootecnici e forestali Università degli Studi di Bari, Via Amendola 165/A, 70126 Bari, Italy

¹ Corresponding author: michele.faccia{at}agr.uniba.it

The effect of some quality parameters of the milk (refrigeration time, pH, protein, and fat/protein ratio) on the extent of acidification in the production technology of table Mozzarella without starters was investigated. A screening phase carried out at the laboratory level demonstrated that variations of the milk characteristics require different levels of acidification to keep constant the quality of the cheese. The elaboration of the data collected throughout the successive experimentation on industrial scale allowed us to find a mathematical model to describe the relationships between the pH of the curd at stretching time and the milk characteristics, of which the protein concentration and the refrigeration time play the main roles.

Key Words: Mozzarella • curd pH • milk acidification