Effects of Some Stabilizers on the Textural Properties of Yogurt

Abstract

Abstract: This study was conducted to investigate the effect of various stabilizers on textural properties of set yogurt. Yogurt samples were prepared by using seven various stabilizers such as sodium caseinate, gelatin, carrageenan, xanthan gum, guar gum, locust bean gum and native corn starch. Control group samples were produced without using stabilizer. Textural analysis were made with a TA-XT2i texture analyzer. As a result of the statistical analysis, it was determined that stabilizer and storage time had a significant effect (p<0,01) on all texture parameters of yogurt samples, the relaxation force values were not affected by only storage period (p>0,05). In conclusion, Na-caseinate is the most suitable stabilizer for yogurt texture compared to all stabilizers. These findings may contribute to the selection of stabilizer material or preparation of stabilizer mixtures that can be used in the production of set type yogurt for developing different textural parameters.

Keywords

• Stabilizer,textural properties,yogurt,firmness

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