FUNCTIONAL PROPERTIES OF SPRAY DRIED TARHANA |
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Authors: | . Ibano lu |
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Affiliation: | a Department of Food Engineering, University of Gaziantep, Gaziantep, TURKEY |
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Abstract: | Tarhana, a traditional Turkish fermented yogurl-wheat mixture used in soups, was subjected to dilute acid hydrolysis in 0.5 M HCL (40% dry matter) at 55°C for 4 hours followed by simmering for 10 minutes. The resulting slurry was dried using a laboratory scale spray dryer. Water absorption index (WAI), water solubility index (WSI) and viscosity of spray dried tarhana powder were investigated. The WAI and WSI values for spray dried tarhana powder were found as 1.2 g gel/g dry tarhana powder and 70%, respectively, whereas these values for control sample were 4.0g gel/ g dry tarhana powder and 20% The viscosity of spray dried tarhana soup was found as 100 cp whereas the value for the control sample was 800 cp. When the soups were subject to sensory analysis, panelists found significant differences between the control and spray dried tarhana soups in terms of taste, mouth feel and overall acceptability in favor of the control sample. |
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