FOOD SCIENCE ›› 2013, Vol. 34 ›› Issue (1): 1-7.

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Effect of Olestra on Microstructure, Rheological Properties and Baking Properties of Snack Cake

  

  • Received:2011-12-24 Revised:2012-12-22 Online:2013-01-15 Published:2013-01-07
  • Supported by:

    The National Natural Science Funds of China

Abstract: The effect of partial fat substitution with olestra in different proportions (25%, 50% and 75%) on paste density, microstructure and rheological properties and physiochemical parameters, texture and sensory characteristics of snack cakes was studied. At a fat substitution level of 25%, only little differences in rheological properties of flour paste and the quality of snack cakes were observed compared with control group. Fat substitution at a level of 50% resulted in an obvious increase in paste density and a decrease in the number of gas bubbles and the specific volume of snack cakes. TPA showed that the hardness and chewiness of snack cakes could be markedly improved by fat substitution with olestra.

Key words: olestra, snack cake, fat substitute, flour paste, rheological properties, microstructure, texture

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