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Type: Artigo
Title: Milk-clotting activity of high pressure processed coagulants: evaluation at different pH and temperatures and pH influence on the stability
Author: Leite Júnior, Bruno Ricardo de Castro
Tribst, Alline Artigiani Lima
Yada, Rickey Y.
Cristianini, Marcelo
Abstract: This study evaluated the milk-clotting activity (MCA) at different pH values and temperatures of milk and the influence of pH on the stability of commercial coagulants subjected to high pressure processing (HPP). The pressurized enzymes showed higher MCA for almost all conditions studied, as compared to the non-processed samples, and the differences were more pronounced at higher temperatures and lower pH values. For the conditions used in industrial cheese making (pH 6.6 at 35 °C), the HPP led to an increase in MCA of 27, 9, 8, and 5% for the recombinant camel chymosin, bovine rennet, calf rennet, and porcine pepsin, respectively. In addition, HPP increased the pH stability for most of the enzymes. Therefore, HPP emerges as an effective technology to improve the hydrolytic profile of these enzymes as a function of pH and temperature
Subject: Coagulantes
Country: Países Baixos
Editor: Elsevier
Rights: Fechado
Identifier DOI: 10.1016/j.ifset.2018.04.006
Date Issue: 2018
Appears in Collections:FEA - Artigos e Outros Documentos
NEPA - Artigos e Outros Documentos

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