Volume 8, Issue 30 (2011)                   FSCT 2011, 8(30): 81-88 | Back to browse issues page

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Effect of different levels of whey protein concentrate on the physicochemical and sensory properties of muffin cake. FSCT. 2011; 8 (30) :81-88
URL: http://fsct.modares.ac.ir/article-7-2845-en.html
Abstract:   (7483 Views)
In this study, physicochemical properties, sensory characteristics and shelf life of muffin prepared by substitution of egg white with different levels of whey protein concentrate (WPC) were evaluated. WPC at three levels – 25, 50 and 75 %– was considered as variable treatment. Physicochemical properties including butter pH, butter consistency, cake pH, weight loss, density, moisture, shelf life properties including water activity () and hardness after 1, 2 and 10 days storage and sensory properties including crust color, taste, texture and total acceptance were measured and the result were analyzed. Data analysis showed that WPC substitution levels affected all of properties.  In comparison with control butter pH, cake pH, moisture, density,   and hardness after 1, 2 and 10 days storage decreased whereas consistency and weight loss increased with increase of substitution level. Also WPC substitution levels affected all of sensory properties. Color score increased with 25 and 50 % WPC but decreased with 75% WPC. Texture, taste and total acceptance scores decreased with increase of substitution. No significant difference of taste and total acceptance scores with control up to 50 % replacement level was noticed; however it became significant at 75% replacement level.  
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Received: 2009/05/28 | Accepted: 2009/06/28 | Published: 2011/09/29

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