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Effect of partial NaCl substitution with KCl on the texture profile, microstructure, and sensory properties of low-moisture mozzarella cheese

Published online by Cambridge University Press:  24 September 2012

Mutamed M. Ayyash ,
Frank Sherkat  and
Nagendra P. Shah
Mutamed M. Ayyash
Affiliation:
School of Biomedical and Health Sciences, Victoria University, Werribee Campus, PO Box 14428, Melbourne, Victoria 8001, Australia
Frank Sherkat
Affiliation:
School of Applied Sciences, RMIT University, PO Box 2476, Melbourne, Victoria 3001, Australia
Nagendra P. Shah*
Affiliation:
Food and Nutritional Science, School of Biological Sciences, The University of Hong Kong, Pokfulam Road, Hong Kong
*
*For correspondence; e-mail: npshah@hku.hk
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Abstract

The effect of partial substitution of NaCl with KCl on texture profile, soluble Ca, K, Na, and P, and microstructure of low-moisture mozzarella cheese (LMMC) was investigated. LMMC batches were prepared using four combinations of NaCl and KCl salt viz., NaCl only, NaCl:KCl, 3:1, 1:1 and 1:3 (w/w); all used at of 46 g/kg curd and plasticised in 4% brine containing the above salt mixtures. Texture profile, microstructure, and percentages of soluble Ca, K, Na, and P were determined. There were no significant differences in hardness, cohesiveness, adhesiveness, and gumminess among the experimental LMMC batches. Environmental scanning electron microscopy images showed compact and homogeneous structure of LMMC at day 27 of storage; however, no significant difference was observed among the experimental LMMC batches. Hardness increased significantly in all experimental LMMC during storage. LMMC salted with NaCl/KCl mixtures had almost similar sensory properties compared with the control. There was no significant difference in creaminess, bitterness, saltiness, sour-acid, and vinegary taste among the experimental LMMC at the same storage period.

Keywords

Salt substitutionenvironmental scanning electron microscopeLow-moisture Mozzarella cheeseTexture profile
Type
Research Article
Information
Journal of Dairy Research , Volume 80 , Issue 1 , February 2013 , pp. 7 - 13
Copyright
Copyright © Proprietors of Journal of Dairy Research 2012

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