To be able to store for a long period of time such as eating in emergency such as disaster or distress, keeping the taste of new rice cereal for many years and injecting liquid such as water as can, Provide dry-pregelatinized rice cans with rice cooked and dried rice grains that can be eaten to a metal container sealed in a metal container.SOLUTION: Water is added to one type of white rice, brown rice, black rice, red rice, green rice, or a mixture thereof, and the mixture is cooked, and then dried to a moisture content of 10% by weight or less to obtain a specific gravity of 0.6-0. 8, the alpha-finished rice cereal is placed in a container of a metallic cylindrical can 1 made of aluminum or steel in a volume of 250 ml to 500 ml, and liquid nitrogen is injected to obtain granular rice in a metallic cylindrical container The rice is filled into 40 to 60% by volume of the internal volume and sealed in the container.(FIG.【課題】災害時や遭難時等の非常時に食するような、長期保存できて、新米穀の味を何年も保つことができるとともに、缶のまま、水などの液体を注入して、簡単に食することができる炊飯・乾燥した米雑穀を、金属容器に密封した乾燥アルファー化米穀入り缶を提供する。【解決手段】白米、玄米、黒米、赤米、緑米の1種類、又はこれらの混合物に水を添加して炊飯した後、水分10重量%以下まで乾燥して、比重0.6~0.8である粒状体にして、アルファー化した米穀類を、250ml~500mlの容積で、アルミニウム、またはスチールの金属製円筒缶1の容器に入れ、液体窒素を注入することによって、金属製円筒容器における内部容積の40~60容量%に前記米穀を充填して、前記容器中に密封する。【選択図】図1
