PROBLEM TO BE SOLVED: To provide a heat-imparting agent which easily gains a heating effect by contact with a water-based medium of 60°C or lower and to provide a food for preparing a hydrated food which is imparted heat, and a method for preparing a hydrated food.SOLUTION: The heat-imparting agent contains trehalose anhydride, and the agent concerned is mixed, for use, with a water-based medium of 60°C or lower to gain a heating effect.COPYRIGHT: (C)2013,JPO&INPIT【課題】60℃以下の水性媒体との接触によって、簡単に温熱効果が得られる温熱付与剤並びに温熱付与された加水食品調製用食品及び加水食品の調製方法を提供する。【解決手段】無水トレハロースを含有し、60℃以下の水性媒体を混合して用いることを特徴とする温熱付与剤によって達成される。【選択図】なし
