PROBLEM TO BE SOLVED: To provide processed boiled rice such as chilled boiled rice to be heated at the time of use, capable of retaining excellent viscousness and resilience even when a storage time is extended.SOLUTION: Processed boiled rice which is normally refrigerated or stored at normal temperature, and heated at the time of use is obtained by adding &bgr;-amylase to rice followed by boiling, and refrigeration processing the obtained boiled rice. It is preferable to further add white malt as rice malt at the time of boiling, and it is further preferable to further add starch. There are also provided: a processed boiled rice product obtained by storing or packaging the processed boiled rice in a container made of a heat-resistant material allowing microwave heating or a packaging material; a processed boiled rice texture improver containing &bgr;-amylase as the active ingredient; and a texture improvement method for processed boiled rice, including a step of adding the texture improver to rice.
