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KMID : 1134820150440050761
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Journal of the Korean Society of Food Science and Nutrition
2015 Volume.44 No. 5 p.761 ~ p.766
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Quality Characteristics of Sponge Cake with Addition of Protease
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Yoon Seong-Jun
Cho Nam-Ji
Moon Sung-Won
Kim Mi-Sook
Lee Young-Seung
Yoon Ok-Hyun
Jeong Yoon-Hwa
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Abstract
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This study investigated the effect of protease on quality characteristics of sponge cake. Protease was used at levels of 0.0005 U (PC-1), 0.0010 U (PC-2), 0.0015 U (PC-3), and 0.0020 U (PC-4) for sponge cake preparation. Amylogram showed the setback was significantly decreased in comparison with the control (P<0.05). Height and baking loss rate of control sponge cake were 4.24±0.18 cm and 12.01±0.29%, respectively. PC-3 and PC-4 showed increased heights of 5.22±0.16 and 5.24±0.11 cm as well as slightly increased baking loss rates of 12.71±0.31% and 12.89±0.61%, respectively. Specific volume and color difference measurements of control showed a specific volume of 3.53±0.06 mL/g, crust color difference of 53.05±0.28, and crumb color difference of 29.84±0.52. Measurements of specific volume, crust color, and crumb color of PC-3 and PC-4 were 4.18±0.02 mL/g, 56.19±0.84, 29.05±0.43, 4.21±0.02 mL/g, 56.85± 0.43, and 29.45±0.47, respectively. Firmness measurements showed that the control had the highest firmness. PC-3 and PC-4 were effective at improving the shelf-life of sponge cake as indicated by reduced firmness. Sensory evaluation results demonstrated that all samples scored higher than the control. Throughout the results, the addition of protease increased volume and improved quality characteristics of sponge cake.
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KEYWORD
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protease, sponge cake, cake, enzymes, characteristics
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