Assessment of the quality of cottage cheese produced from standard and protein-fortified skim milk
Hallab, R., Kohen, C., Grandison, M.A., Lewis, M.J. and Grandison, A.S. (2007) Assessment of the quality of cottage cheese produced from standard and protein-fortified skim milk. International Journal of Dairy Technology, 60 (2). pp. 69-73. ISSN 1364-727X
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To link to this item DOI: 10.1111/j.1471-0307.2007.00319.x
The effects of milk protein fortification on the texture and microstructure of cottage cheese curd were evaluated. Protein powder (92.6% protein) was added to the skim milk at a level of 0.4% (w/w) to produce curds. Control curds with no protein powder addition were also produced. These curds were analysed for differences in yield, total solids, curd size, texture and structure. It was found that the addition of protein powder contributed to a significant yield increase, which can be attributed to increased water retention, with better curd size distribution. Control curds were firmer than the fortified curds and the structure showed less open-pore structure as revealed by electron microscopy. However, the addition of dressing masked the textural differences, and a sensory panel was unable to distinguish between cheeses produced from fortified milk and controls.