PROBLEM TO BE SOLVED: To provide a simple thawing method and apparatus preventing outflow of moisture (drip) containing Umami component by preventing cell membrane break when thawing, and keeping an original body state as much as possible to retain high quality taste.SOLUTION: A frozen fish and meat thawing method includes: placing a frozen fish meat mass as an object to be thawed on a metallic thawing plate of an external vibration imparting device comprising an electromagnetic vibration generating part and the metallic thawing plate inserting an insertion electrode of an internal vibration imparting device comprising a low frequency power source and the insertion electrode into the frozen fish meat mass and giving vibration to the outside and inside of the frozen fish meat mass. A frozen fish and meat thawing apparatus includes an external vibration imparting device and an internal vibration imparting device, the external vibration imparting device comprises an electromagnetic vibration generating part and a metallic thawing plate, and the internal vibration imparting device comprises a low frequency power source and an insertion electrode part.COPYRIGHT: (C)2014,JPO&INPIT【課題】解凍時の細胞膜破壊を防ぐことにより旨味成分を含む水分(ドリップ)の流出を防ぎ、原体状態を極力維持し高品位な味を保つ簡便な解凍方法及び装置を提供する。【解決手段】電磁振動発生部と金属製解凍板とからなる外部振動付与装置の前記金属製解凍板上に被解凍対象の冷凍魚肉塊を載置し、低周波電源と挿入電極とからなる内部振動付与装置の前記挿入電極を冷凍魚肉塊に挿入し、冷凍魚肉塊の外部と内部に振動を与えることを特徴とする冷凍魚肉類の解凍方法、及び外部振動付与機と内部振動付与機とを有し、前記外部振動付与機が電磁振動発生部と金属製解凍板とからなり、前記内部振動付与機が低周波電源と挿入電極部とからなることを特徴とする冷凍魚肉類の解凍装置。【選択図】図1
