Volume 75, Issue 2 pp. 431-437
Research Article

High populations of psychrotrophs in milk affect the quality characteristics of Mozzarella cheese

Lucas Lima Luiz

Lucas Lima Luiz

Master Program in Science and Technology of Milk and Dairy Products, Pitágoras Unopar University (UNOPAR), Av Paris, 675, Londrina, 86041-120 Brazil

Contribution: Data curation, Formal analysis, ​Investigation

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Leticia de Fatima Bertachi Pinto

Leticia de Fatima Bertachi Pinto

Master Program in Science and Technology of Milk and Dairy Products, Pitágoras Unopar University (UNOPAR), Av Paris, 675, Londrina, 86041-120 Brazil

Contribution: Formal analysis, ​Investigation, Methodology

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Selma de Souza Correia

Selma de Souza Correia

Master Program in Science and Technology of Milk and Dairy Products, Pitágoras Unopar University (UNOPAR), Av Paris, 675, Londrina, 86041-120 Brazil

Contribution: Formal analysis, ​Investigation, Methodology

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Samera Rafaela Bruzaroski

Samera Rafaela Bruzaroski

Master Program in Science and Technology of Milk and Dairy Products, Pitágoras Unopar University (UNOPAR), Av Paris, 675, Londrina, 86041-120 Brazil

Contribution: Data curation, Formal analysis, ​Investigation, Methodology

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Rafael Fagnani

Rafael Fagnani

Master Program in Science and Technology of Milk and Dairy Products, Pitágoras Unopar University (UNOPAR), Av Paris, 675, Londrina, 86041-120 Brazil

Contribution: Formal analysis, Validation

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Cínthia Hoch Batista de Sousa

Cínthia Hoch Batista de Sousa

Master Program in Science and Technology of Milk and Dairy Products, Pitágoras Unopar University (UNOPAR), Av Paris, 675, Londrina, 86041-120 Brazil

Contribution: Conceptualization, Methodology, Validation

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Agostinho Ludovico

Agostinho Ludovico

Master Program in Science and Technology of Milk and Dairy Products, Pitágoras Unopar University (UNOPAR), Av Paris, 675, Londrina, 86041-120 Brazil

Contribution: Data curation, Formal analysis, Software

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Lina Casale Aragon Alegro

Lina Casale Aragon Alegro

Master Program in Science and Technology of Milk and Dairy Products, Pitágoras Unopar University (UNOPAR), Av Paris, 675, Londrina, 86041-120 Brazil

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Elsa Helena Walter de Santana

Corresponding Author

Elsa Helena Walter de Santana

Master Program in Science and Technology of Milk and Dairy Products, Pitágoras Unopar University (UNOPAR), Av Paris, 675, Londrina, 86041-120 Brazil

Author for correspondence. E-mail: [email protected]

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First published: 06 January 2022
Citations: 4

Abstract

This study reports the effect of psychrotrophs in raw milk on the quality of Mozzarella cheese. Physical, chemical, sensorial and textural characteristics were evaluated, and the indices of lipolysis and proteolysis were assessed. The highest population (7 log cfu/mL vs. 3 log cfu/mL) was associated with a decrease in yield and in primary proteolysis index, higher acidity and free fatty acid index and concentration. Short- and medium-chain free fatty acids increased in all cheeses during storage, being higher in those produced with milk containing a high population of psychrotrophics. No sensory differences between the cheeses were observed.

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