PROBLEM TO BE SOLVED: To provide processed rice that allows cooking of rice in a short time.SOLUTION: The present invention provides swollen rice with a bulk density of 0.35 g/ml-0.45 g/ml.SELECTED DRAWING: Figure 3COPYRIGHT: (C)2018,JPO&INPIT【課題】短時間での調理米飯類の調理を可能にする加工米を提供すること。【解決手段】0.35g/ml~0.45g/mlのかさ比重を有する膨化米。【選択図】図3