초록

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Abstract ▼ AI-Helper

The physical properties of reconstituted instant rice produced by three different dehydration methods were evaluated. The rehydration ratios of reconstituted instant rice produced by air dehydration at 9$0^{\circ}C$ (process A) had higher values than those produced by freeze dehydration (...

The physical properties of reconstituted instant rice produced by three different dehydration methods were evaluated. The rehydration ratios of reconstituted instant rice produced by air dehydration at 9$0^{\circ}C$ (process A) had higher values than those produced by freeze dehydration (process C) during entire range of rehydration. After 4min of rehydration time at 95$^{\circ}C$ , the moisture contents of reconstituted instant rice produced by process A and C were higher values than those of control(151.47%, dry basis) which was cooked by electric cooker. Regardless of dehydration method, the sizes of reconstituted instant rice (6min, 95$^{\circ}C$) had larger values than those of control. The values of hardness (H), stickiness (S) and S/H ratio of reconstituted instant rice (6min, 95$^{\circ}C$) produced by high temperature (7min, 15$0^{\circ}C$) air dehydration (process B) as the first stage prior to air dehydration at 9$0^{\circ}C$ were almost the same as those of control. The H of reconstituted instant rice decreased, while S and S/H ratio increased with increasing rehydration time. The higher values of whiteness(L) and lower values of yellowness (b) represented in reconstituted instant rice (6min, 95$^{\circ}C$) than those of control.

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