Please use this identifier to cite or link to this item: https://scholar.utcc.ac.th/handle/6626976254/3979
Title: Effect of pH and Sucrose on Physical Properties of Drinking Yoghurt Stabilized by Whey Protein Concentrate
Authors: Maisuthisakul, Pichaon 
Harnsilawat, Thepkunya 
Issue Date: 2008
Publisher: Chulalongkorn University Printing House
University of the Thai Chamber of Commerce
Source: Pichaon Maisuthisakul, Thepkunya Harnsilawat (2008) Effect of pH and Sucrose on Physical Properties of Drinking Yoghurt Stabilized by Whey Protein Concentrate. University of the Thai Chamber of Commerce Journal Vol.28 No.3.
Journal: University of the Thai Chamber of Commerce Journal 
Abstract: The influence of pH (3.5, 4.0 and 4.5) and sucrose (0.0 and 1.0%, W/W) on physicalproperties of drinking yoghurt stabilized by whey protein concentrate (WPC) at 0.0, 0.5,1.0, 1.5 and 2.0% (W/W) was investigated. Drinking yoghurt was then pasteurized andpassed twice through a single-stage high pressure valve homogenizer. The obtainedemulsions were measured and creaming stability, lightness, and apparent viscosity weredetermined. In the presence of WPC, the emulsions were more stable to dropletflocculation than those not stabilized by WPC which was attributed to high L* value,low apparent viscosity, and low creaming index. Emulsion instability was observed atpH 4.5. Addition of sucrose to the emulsions showed a negative significant effect on thecreaming stability of emulsion (p<0.05). This study has important implications for theformulation and production of protein-stabilized drinking yoghurt.
URI: https://scholar.utcc.ac.th/handle/6626976254/3979
ISSN: 0125-2437
Rights: This work is protected by copyright. Reproduction or distribution of the work in any format is prohibited without written permission of the copyright owner.
Appears in Collections:JEO: Journal Articles

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