PROBLEM TO BE SOLVED: To provide a manufacturing method of heme iron-containing food materials excellent in production efficiency.SOLUTION: The manufacturing method of heme iron-containing food materials comprises: a pulverization process for pulverizing an extraction residue obtained by fluid extracting dried fish； an enzyme decomposition process for enzymolyzing the extraction residue after the pulverization process by using protease； and a decomposition residue separation process for separating a liquid component from the extraction residue after the enzyme decomposition process to obtain a decomposition residue, where there is provided an alkali heating treatment process for heating the extraction residue in a solution with a pH of 8 or more to a temperature of 80°C or higher before or after the pulverization process.SELECTED DRAWING: NoneCOPYRIGHT: (C)2018,JPO&INPIT【課題】生産効率が優れるヘム鉄含有食品素材の製造方法を提供すること。【解決手段】本発明のヘム鉄含有食品素材の製造方法は、魚節を流体抽出して得られた抽出残を粉砕する粉砕工程と、前記粉砕工程後の抽出残を、プロテアーゼを用いて酵素分解する酵素分解工程と、前記酵素分解工程後の抽出残から液体成分を分離して分解残を得る分解残分離工程と、を備え、前記粉砕工程の前後の少なくともいずれかに、前記抽出残を、ｐＨが８以上である水溶液中で温度８０℃以上に加熱するアルカリ加熱処理工程を備えることを特徴とする方法である。【選択図】なし
