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KMID : 0665220170300030464
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Korean Journal of Food and Nutrition
2017 Volume.30 No. 3 p.464 ~ p.472
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Quality Comparison of Rice Cooked on Heat Plate, Induction Heat, and Heat Plate with Pressure
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Kim Sang-Sook
Chung Hae-Young
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Abstract
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The qualities of rice cooked on heat plate, induction heat and heat plate with pressure, were investigated. The weight, volume, water soluble index (WSI), hydration by SEM (Scanning Electron Microscope), and gelatinization by DSC (Differential Scanning Calorimetry), as well as the consumer acceptability of cooked rice were analyzed. The weight, volume and WSI of rice cooked on heat plate with pressure were higher than those of rice cooked on heat plate and induction heat. The rice cooked on heat plate with pressure also showed higher degree of hydration and gelatinization, and lower degree of enthalpy of gelatinization than the rice cooked on heat plate and induction heat for 5~15 min. The consumer acceptability revealed that the odor, appearance, taste, texture and overall acceptance of rice cooked on induction heat were better than those of rice cooked on heat plate and heat plate with pressure. During storage in a cooker for 0~12 h, there was a decrease in the consumer acceptability of cooked rice. Overall results indicate that the qualities of rice cooked on induction heat and heat plate with pressure were higher than those of rice cooked on heat plate.
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KEYWORD
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cooked rice, heat plate, induction heat, heat plate with pressure, consumer acceptability
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