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Título: | Effect of high-pressure treatments on proteolysis and texture of ewes' raw milk La Serena cheese |
Autor: | Garde López-Brea, Sonia; Arques Orobón, Juan Luis; Gaya Sicilia, María Pilar; Medina, Milagros CSIC ORCID; Núñez Gutiérrez, Manuel | Palabras clave: | High pressure La Serena cheese Proteolysis Taste Texture |
Fecha de publicación: | 2007 | Editor: | Elsevier | Citación: | International Dairy Journal 17(12) : 1424-1433 (2007) | Resumen: | La Serena cheeses, made from Merino ewes' raw milk, were high-pressure (HP)-treated at 300 or 400 MPa for 10 min at 10 °C, on days 2 or 50 of ripening. Cheeses treated by HP on day 2 showed higher pH values than control cheese on day 3, but cheeses treated by HP on days 2 or 50 and control cheese had similar pH values on day 60. Breakdown of caseins was delayed by HP treatment of cheeses on day 2. Cheeses treated by HP on day 2 showed higher levels of hydrophilic peptides, lower levels of hydrophobic peptides, lower hydrophobic peptides hydrophilic peptides ratios, and higher total contents of free amino acids than those of control cheese. HP treatment of cheese on day 50 scarcely affected proteolysis of 60-day-old cheeses. Fracturability, hardness and elasticity values of cheeses treated by HP on day 2 were higher than those of control cheese and of cheeses treated on day 50. Cheeses treated at 400 MPa on day 2 received the lowest scores for quality of taste from panellists, whereas the rest of HP-treated cheeses did not differ from control cheese. © 2007 Elsevier Ltd. All rights reserved. | URI: | http://hdl.handle.net/10261/291409 | DOI: | 10.1016/j.idairyj.2006.10.009 | ISSN: | 0958-6946 |
Aparece en las colecciones: | (INIA) Artículos |
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