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Use of an exogenous carboxypeptidase to accelerate proteolysis in Reggianito cheese

Author

Listed:
  • Roberto J. Ceruti

    (Instituto de Desarrollo Tecnológico para la Industria Química, Consejo Nacional de Investigaciones Científicas y Técnicas - Universidad Nacional del Litoral, Santa Fe, Argentina)

  • María B. Pirola

    (Instituto Nacional de Tecnología Industrial (INTI - Lácteos) Rafaela, Argentina)

  • Elisabet Ramos

    (Instituto Nacional de Tecnología Industrial (INTI - Lácteos) Rafaela, Argentina)

  • Laura Robert

    (Instituto Nacional de Tecnología Industrial (INTI - Lácteos) Rafaela, Argentina)

  • Amelia C. Rubiolo

    (Instituto de Desarrollo Tecnológico para la Industria Química, Consejo Nacional de Investigaciones Científicas y Técnicas - Universidad Nacional del Litoral, Santa Fe, Argentina)

  • Guillermo A. Sihufe

    (Instituto de Desarrollo Tecnológico para la Industria Química, Consejo Nacional de Investigaciones Científicas y Técnicas - Universidad Nacional del Litoral, Santa Fe, Argentina)

Abstract

The effect of an exogenous commercial carboxypeptidase on the proteolysis of Reggianito cheese was evaluated. Cheeses were manufactured using 4 concentrations of enzyme: 0, 5, 10, and 20 g/100 l milk. Cheese samples were analysed at 0, 60, 90, 120, 150, 180, and 210 days of ripening. Nitrogen content values increased during ripening, but no clear effect due to the enzyme addition was observed. A profound degradation of β-casein was observed during the first 2 months of ripening in cheeses with the highest rates of enzyme addition. An increase of amino acid concentrations was clearly observed in some cheeses manufactured with exogenous enzymes compared with control cheeses at the same ripening time. However, the principal component analysis showed that experimental cheeses had a slight increase in the rate of formation and/or degradation of proteolysis products. Our results represent an important contribution to select new alternatives for enzyme addition during the manufacture of hard cheese.

Suggested Citation

  • Roberto J. Ceruti & María B. Pirola & Elisabet Ramos & Laura Robert & Amelia C. Rubiolo & Guillermo A. Sihufe, 2016. "Use of an exogenous carboxypeptidase to accelerate proteolysis in Reggianito cheese," Czech Journal of Food Sciences, Czech Academy of Agricultural Sciences, vol. 34(5), pages 445-455.
    • Handle: RePEc:caa:jnlcjf:v:34:y:2016:i:5:id:567-2015-cjfs
    DOI: 10.17221/567/2015-CJFS
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