EFFECTS OF ENTEROCOCCUS FAECALIS AND ENTEROCOCCUS FAECIUM, ISOLATED FROM TRADITIONAL LIGHVAN CHEESE, ON PHYSICOCHEMICAL AND SENSORY CHARACTERISTICS OF IRANIAN UF WHITE CHEESE

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RASOULI PIROUZIAN H.; HESARI J.; FARAJNIA S.; MOGHADDAM M.; GHIASSIFAR SH.

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Journal Paper

Paper Information

Journal: JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST) Year:2012 | Volume:14 | Issue:5 Page(s): 1023-1034

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Title

EFFECTS OF ENTEROCOCCUS FAECALIS AND ENTEROCOCCUS FAECIUM, ISOLATED FROM TRADITIONAL LIGHVAN CHEESE, ON PHYSICOCHEMICAL AND SENSORY CHARACTERISTICS OF IRANIAN UF WHITE CHEESE

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Keywords

ENTEROCOCCUS FAECALIS

ENTEROCOCCUS FAECIUM

LIGHVAN CHEESE

UF WHITE CHEESE

Abstract

The main objective of this study was to investigate the effect of enterococci isolated from traditional LIGHVAN CHEESE on the quality of Iranian UF white during ripening. Four samples of cheese were provided from four different cheese production units in Lighvan region. Strains of enterococci in these samples were isolated by standard microbiological methods and selective medium of Kanamycin Esclin Azide Agar and then identified by biochemical methods. In the second stage of research, the effect of adding isolated enterococci in traditional LIGHVAN CHEESE on the quality of Iranian UF WHITE CHEESE was investigated in a 60-day period. Addition of Enterococcus spp. did not significantly (P>0.01) affect the pH and percentage of pH 4.6-Soluble nitrogen/total nitrogen. In the cheese produced with E. faecalis and E. faecium strains, lipolysis rate was higher and flavor properties were improved. Moreover, results of measuring percentage of soluble nitrogen at pH 4.6 and urea polyacrylamide gel electrophoresis indicated an increase in proteolysis rate in the cheese containing E. faecalis and E. faecium strains compared to the control cheese. Furthermore, the highest percentage of non- protein nitrogen was observed in the cheese containing E. faecium. In conclusion, the results showed the positive effect of the E.faecalis and E. faecium on secondary proteolysis during ripening. The proteolytic activity displayed by some enterococcal strains may contribute to cheese ripening and flavor development. Because of these interesting metabolic traits, enterococci have been proposed as part of defined starter culture combination for UF WHITE CHEESEs.

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APA: Copy

RASOULI PIROUZIAN, H., HESARI, J., FARAJNIA, S., MOGHADDAM, M., & GHIASSIFAR, SH.. (2012). EFFECTS OF ENTEROCOCCUS FAECALIS AND ENTEROCOCCUS FAECIUM, ISOLATED FROM TRADITIONAL LIGHVAN CHEESE, ON PHYSICOCHEMICAL AND SENSORY CHARACTERISTICS OF IRANIAN UF WHITE CHEESE. JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST), 14(5), 1023-1034. SID. https://sid.ir/paper/584293/en

Vancouver: Copy

RASOULI PIROUZIAN H., HESARI J., FARAJNIA S., MOGHADDAM M., GHIASSIFAR SH.. EFFECTS OF ENTEROCOCCUS FAECALIS AND ENTEROCOCCUS FAECIUM, ISOLATED FROM TRADITIONAL LIGHVAN CHEESE, ON PHYSICOCHEMICAL AND SENSORY CHARACTERISTICS OF IRANIAN UF WHITE CHEESE. JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST)[Internet]. 2012;14(5):1023-1034. Available from: https://sid.ir/paper/584293/en

IEEE: Copy

H. RASOULI PIROUZIAN, J. HESARI, S. FARAJNIA, M. MOGHADDAM, and SH. GHIASSIFAR, “EFFECTS OF ENTEROCOCCUS FAECALIS AND ENTEROCOCCUS FAECIUM, ISOLATED FROM TRADITIONAL LIGHVAN CHEESE, ON PHYSICOCHEMICAL AND SENSORY CHARACTERISTICS OF IRANIAN UF WHITE CHEESE,” JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST), vol. 14, no. 5, pp. 1023–1034, 2012, [Online]. Available: https://sid.ir/paper/584293/en

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