PROBLEM TO BE SOLVED: To improve the quality of grains whose quality is deteriorated during storage, and to reduce the number of bacteria adhered to grains.SOLUTION: Grains are characterized by treating the grains with oxygen nano bubble water. The treatment using the oxygen nano bubbles is preferably performed by adhering the oxygen nano bubble water in an amount of 0.01 to 20.0 mass% based on grains to the surfaces of the grains and then leaving the treated grains for 6 to 24 hours. The particle diameters of the nano bubbles of the oxygen nano bubble water are preferably &le50 nm. Additionally, there is further provided grain flour prepared by milling the grains.COPYRIGHT: (C)2011,JPO&INPIT【課題】保存中に品質が劣化した穀物の品質の改善、及び穀物に付着した細菌数の低減を課題とする。【解決手段】穀物に酸素ナノバブル水が処理されたことを特徴とする穀物であり、前記処理は酸素ナノバブルの処理が、穀物の0.01~20.0質量%を穀物表面に付着させ、付着後6~24時間静置することが好ましく、前記酸素ナノバブル水のナノバブルの粒径が、50nm以下であることが好ましい。さらに本発明は前記穀物を製粉した穀粉である。【選択図】なし
