Impact of casein hydrolysates on the ripening parameters and chemical characteristics of Tulum cheese

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dc.contributor.authorÇelik, M
dc.contributor.authorYıldırım, M
dc.date.accessioned2026-03-31T13:21:12Z
dc.date.available2026-03-31T13:21:12Z
dc.date.issued2025
dc.description.abstractThis study aimed to investigate the effects of incorporating casein hydrolysed using enzymes from Bacillus licheniformis (endoprotease) or Aspergillus oryzae (endoprotease and exoprotease mixture) on the characteristics of Erzincan Tulum cheese, and to shorten its lengthy and expensive ripening process. Six types of cheese containing different levels of hydrolysed or non-hydrolysed casein were produced and aged for 90 days at 6 +/- 1 degrees C. In experimental cheeses, titratable acidity was found to be 0.73%-1.43%, pH 4.21-4.80, dry matter 47.71%-51.83%, fat 21.71%-25.34%, protein 20.06%-25.77%, water-soluble protein 2.50%-8.25%, ripening index 9.70%-34.88%, total free fatty acids 0.66%-0.99%, lactic acid 1.11%-2.36%, and citric acid 1,168-2,700 ppm. Mesophilic lactic acid bacteria count ranged from 6.28 to 8.69 log CFU/g. Sodium dodecyl sulphate polyacrylamide gel electrophoresis analysis revealed varying degrees of casein hydrolysis across all trial cheeses during ripening. Overall, the results suggest that using casein hydrolysed with these enzymes could potentially accelerate the ripening process of Tulum cheese.
dc.identifier.doi10.1093/ijfood/vvaf092
dc.identifier.issn0950-5423
dc.identifier.issn1365-2621
dc.identifier.issue2
dc.identifier.urihttp://dx.doi.org/10.1093/ijfood/vvaf092
dc.identifier.urihttps://hdl.handle.net/11491/9606
dc.identifier.volume60
dc.identifier.wosWOS:001531368900001
dc.language.isoen
dc.publisherOXFORD UNIV PRESS
dc.relation.ispartofINT J FOOD SCI TECH
dc.subjectTulum cheese
dc.subjecthydrolysed casein
dc.subjectphysicochemical properties
dc.subjectaccelerated ripening
dc.subjectendoprotease
dc.subjectexoprotease
dc.titleImpact of casein hydrolysates on the ripening parameters and chemical characteristics of Tulum cheese
dc.typeArticle

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