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Efficacy of sodium alginate as fat replacer on the processing and storage quality of buffalo mozzarella cheese

Manish Kumar Chatli (Department of Livestock Products Technology, Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana, India)
Neeraj Gandhi (Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana, India)
Parminder Singh (Department of Livestock Products Technology, Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana, India)

Nutrition & Food Science

ISSN: 0034-6659

Article publication date: 8 May 2017

Abstract

Purpose

The sensory quality and yield of mozzarella cheese deteriorate as the fat content in milk is reduced. This study aims to evaluate the efficacy of sodium alginate as a fat replacer in low-fat buffalo mozzarella cheese on the basis of processing and storage (4 ± 1°C) quality.

Design/methodology/approach

Five treatments of buffalo mozzarella cheese, viz., control full-fat cheese (6.0 per cent milk fat; CFFC), control low-fat cheese (<0.5 per cent milk fat) without sodium alginate (CLFC), low-fat cheese with 0.1 per cent sodium alginate (LFC-1), 0.2 per cent sodium alginate (LFC-2) and 0.3 per cent sodium alginate (LFC-3), were comparatively evaluated.

Findings

Increase in the level of sodium alginate increased the percent yield of treated low-fat cheese than CLFC. Addition of sodium alginate to low-fat cheese resulted in decrease in hardness (p = 0.023) and chewiness than CLFC. Meltability was significantly decreased (p = 0.03) in low-fat cheese than CFFC. It was recorded as 1.5 ± 0.14 cm for CFFC to 0.2 ± 0.08 cm in LFC-3. Sensory panellists awarded LFC-3 highest and lowest to LFC-1; however, treated products at all selected levels were superior to CLFC. Oxidative stability and microbial stability were improved in LFC-3 than CFFC during storage.

Practical implications

Results concluded that 0.3 per cent sodium alginate is optimum for the development of extended shelf-life functional/low-fat/low-calorie buffalo mozzarella cheese.

Originality/value

Processing interventions can be successfully used to develop low-fat/low-calorie mozzarella cheese with acceptable sensory attributes and longer storage life.

Keywords

Citation

Chatli, M.K., Gandhi, N. and Singh, P. (2017), "Efficacy of sodium alginate as fat replacer on the processing and storage quality of buffalo mozzarella cheese", Nutrition & Food Science, Vol. 47 No. 3, pp. 381-397. https://doi.org/10.1108/NFS-07-2016-0087

Publisher

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Emerald Publishing Limited

Copyright © 2017, Emerald Publishing Limited