The aim of this study was to evaluate the impact of microbial transglutaminase (TGase) at different concentrations (0, 2.5 and 7.5 units/g (U/g) protein) using different cooking times (15, 20 and 25 min at 85 degrees C) on Mozzarella cheese analogue (MCA) properties. Results have shown that protein cross-linking activity of TGase can improve the colour, texture, microstructure and meltability of the cheese when used at a concentration of 2.5 U/g protein and 20-min cooking time. TGase concentration, cooking time and the combination of these factors significantly (P < 0.05) affected the colour (L*, a* and b*) and texture properties (hardness, adhesiveness, springiness, gumminess, resilience and cohesion) but had no significant (P > 0.05) effect on pH.
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Univ Milan, Dipartimento Sci Alimenti Nutr & Ambiente, Via G Celoria 2, I-20133 Milan, ItalyUniv Milan, Dipartimento Sci Alimenti Nutr & Ambiente, Via G Celoria 2, I-20133 Milan, Italy
Masotti, Fabio
Cattaneo, Stefano
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Univ Milan, Dipartimento Sci Alimenti Nutr & Ambiente, Via G Celoria 2, I-20133 Milan, ItalyUniv Milan, Dipartimento Sci Alimenti Nutr & Ambiente, Via G Celoria 2, I-20133 Milan, Italy
Cattaneo, Stefano
Stuknyte, Milda
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Univ Milan, Univ Technol Platform, Unitech COSPECT, Via C Golgi 19, I-20133 Milan, ItalyUniv Milan, Dipartimento Sci Alimenti Nutr & Ambiente, Via G Celoria 2, I-20133 Milan, Italy
Stuknyte, Milda
Ribolzi, Luca Aldo
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GEA Italy, Via A M Da Erba Edoari 29-A, I-43123 Parma, ItalyUniv Milan, Dipartimento Sci Alimenti Nutr & Ambiente, Via G Celoria 2, I-20133 Milan, Italy
Ribolzi, Luca Aldo
De Noni, Ivano
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Univ Milan, Dipartimento Sci Alimenti Nutr & Ambiente, Via G Celoria 2, I-20133 Milan, ItalyUniv Milan, Dipartimento Sci Alimenti Nutr & Ambiente, Via G Celoria 2, I-20133 Milan, Italy