Effect of different rice starches, inulin, and soy protein on microstructural, physical, and sensory properties of low-fat, gluten, and lactose free white sauces

Luis M. Guardeño, José L. Vázquez-Gutiérrez, Isabel Hernando and Amparo Quiles
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Luis M. Guardeño: Research Group of Food Microstructure and Chemistry, Department of Food Technology, Polytechnic University of Valencia, Valencia, Spain
José L. Vázquez-Gutiérrez: Research Group of Food Microstructure and Chemistry, Department of Food Technology, Polytechnic University of Valencia, Valencia, Spain
Isabel Hernando: Research Group of Food Microstructure and Chemistry, Department of Food Technology, Polytechnic University of Valencia, Valencia, Spain
Amparo Quiles: Research Group of Food Microstructure and Chemistry, Department of Food Technology, Polytechnic University of Valencia, Valencia, Spain

Czech Journal of Food Sciences, 2013, vol. 31, issue 6, 575-580

Abstract: The microstructural, physical, and sensory properties of low-fat sauces made with different rice starches, soy protein ,and inulin were analysed in order to obtain sauces suitable for celiac and lactose intolerant consumers. Soy protein and inulin could prevent starch degradation due to their high water-binding capacity. Moreover, protein molecules could diffuse into the starch granules and soluble inulin could interact with starch polymers within the granule. Both effects would hinder amylose leaching. Inulin provides better diffusion capacity of gelatinised granules and soy protein-starch granule aggregates than sunflower oil, which helps to decrease viscosity in modified rice starch sauces. Soy protein prevents syneresis in the sauces. Inulin affects colour parameters in native rice starch sauces, probably because of inulin and retrograded amylose polymers interactions. Sauces made with sunflower oil and modified rice starch are best rated by consumers. However, according to the statistical analyses, the replacement of oil by inulin could be suitable to prepare low-fat, gluten, and lactose free white sauces when modified rice starch is used.

Keywords: low-calorie food; nutritive food; microstructure; viscosity; stability (search for similar items in EconPapers)
Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlcjf:v:31:y:2013:i:6:id:483-2012-cjfs

DOI: 10.17221/483/2012-CJFS

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