Milk whey and its derivatives are commonly used to fortify food products. A study was done on the effect of seven cottage cheese (sour/sweet whey mixture) inclusion concentrations (5, 7.5, 10, 12.5, 15, 17.5 and 20 %) on the mechanical properties of white wheat bread dough using a texture analyser. Cottage cheese protein content was 10.05 %. Loaf bread made using the 7.5, 12.5 and 17.5 % cottage cheese concentrations showed crumb quality similar to the control in the 12.5 and 17.5 % treatments, but more open and less homogeneous in 7.5 % treatment. Cottage cheese concentration affected bread volume, with the higher concentrations lowering volume by up to 50 %, in response to increased water retention. Sensory analysis showed bread containing 7.5 % cottage cheese was not different from the control, with an 83.33 % acceptance rate. The 7.5 % concentration was optimum for white wheat loaf bread production since its mechanical and sensory properties were most similar to the control.
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