PROBLEM TO BE SOLVED: To provide a rice cooker capable of cooking rice deliciously in a stable manner without causing a user to take much effort.SOLUTION: The rice cooker includes: a body 1 a pot-like container 5 housed in the body 1 a lid body 10 covering an opening of the pot-like container 5 a heating coil 3 for heating the pot-like container 5 a control means 8 for driving and controlling the heating coil 3 to execute a cooking rice step including a preheating step and a temperature rising step and an absorbing water determination means 16 for determining the ease of absorbing water of rice on the basis of variation in a rice water content. The control means 8 controls the time of the preheating step in accordance with the ease of absorbing water of rice determined by the absorbing water determination means 16.COPYRIGHT: (C)2013,JPO&INPIT【課題】使用者に手間をかけさせることなく、安定的に美味しく炊飯することができる炊飯器を得る。【解決手段】本体1と、本体1に収容される鍋状容器5と、鍋状容器5の開口部を覆う蓋体10と、鍋状容器5を加熱する加熱コイル3と、加熱コイル3を駆動制御して予熱工程と昇温工程とを含む炊飯工程を実行する制御手段8と、米の含水率の変化に基づいて米の吸水のしやすさを判断する吸水判断手段16とを備え、制御手段8は、吸水判断手段16により判断された米の吸水のしやすさに応じて、予熱工程の時間を制御する。【選択図】図4
