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KMID : 0380620070390040406
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Korean Journal of Food Science and Technology
2007 Volume.39 No. 4 p.406 ~ p.411
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Quality Characteristics of Sponge Cakes Containing Various Levels of Black Rice Flour
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Park Young-Seo
Chang Hak-Gil
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Abstract
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In this study the replacement of wheat flour with 5 to 30% black rice flour was tested to examine its effect on sponge cake making properties. We evaluated the effects of the substitutions on various quality parameters of the cake, such as physicochemical and rheological properties, cake making quality, and texture characteristics. The water holding capacity value increased with increasing amounts of black rice flour, whereas the alkaline water retention capacity, Pelshenke value and sedimentation value decreased. The mixograph peak time and peak height, and the Rapid Visco Analyser peak, minimum, and final viscosity decreased with the addition of black rice flour. Increasing proportions of black rice flour resulted in reduced loaf volume. However, replacing 15% of the wheat flour with black rice flour did not significantly affect the characteristics of the sponge cake. The textural characteristics of the sponge cake crumb were influenced by the addition of black rice flour, and sponge cakes containing the additives showed increases in hardness, gummines, and chewiness.
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KEYWORD
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sponge cake, black rice, cake quality
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