PROBLEM TO BE SOLVED: To provide heated open prawns prepared to have desirable texture and thickness without impairing body colors and appearance.SOLUTION: Treatment of partially cutting the outer shells and muscles of prawns with shells is performed, and then immersion treatment is performed to attain effective immersion treatment of prawns with shells hitherto unknown, and heated open prawns prepared to have desirable texture and thickness are produced while maintaining conventional body colors and appearance.COPYRIGHT: (C)2013,JPO&INPIT【課題】体色や外観を損なうことなく、食感や肉厚を好ましいものにした加熱済み開きえびを提供する。【解決手段】殻付きえびの外殻および筋肉を部分的に切断する処理を施し、その後浸漬処理を行うことで、これまで認められなかった効果的な殻付えびの浸漬処理が可能となり、従来の体色、外観を維持したまま、食感や肉厚を好ましいものにした加熱済み開きえびを製造する。【選択図】なし