Manufacture and characterization of acid-coagulated fresh cheese made from casein concentrates obtained by acid diafiltration.

This study aimed to investigate the production of acid-coagulated fresh cheese by using slightly acid diafiltered (DF) microfiltered (MF) casein concentrates (8% protein). Three different acidifying agents were tested during DF: carbon dioxide, lactic acid, and citric acid. Fresh cheese was manufactured using acid-DF casein concentrates, or casein concentrates DF with just water, and compared with cheese manufactured using MF casein concentrates without DF. The fresh cheeses were characterized for composition, rheological, and sensorial properties. Acid-DF casein concentrates improved acidification kinetics during cheesemaking and reduced casein leakage to cheese whey, compared with cheese from regular MF casein concentrate. Among the rheological properties investigated in this study, the storage modulus of the fresh cheese was higher when DF of the casein concentrate was performed with nonacidified DF water or when DF water was acidified with citric acid. However, fresh cheese made from casein concentrate diafiltered with DF water acidified by citric acid was most liked in a sensory ranking test. Copyright © 2021 American Dairy Science Association. Published by Elsevier Inc. All rights reserved.

Citation

Sara Mohamed Gaber, Anne-Grethe Johansen, Tove Gulbrandsen Devold, Elling-Olav Rukke, Siv Borghild Skeie. Manufacture and characterization of acid-coagulated fresh cheese made from casein concentrates obtained by acid diafiltration. Journal of dairy science. 2021 Jun;104(6):6598-6608

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PMID: 33773791

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