PROBLEM TO BE SOLVED: To enable objective and quick estimation of a heating history of amino compound-containing food.SOLUTION: A method of estimating a heating history comprises steps of: measuring fluorescence intensity of a target amino compound-containing food while changing an excitation wavelength for irradiation and a fluorescence wavelength for observation in steps within a predetermined excitation wavelength range and a predetermined fluorescence wavelength range; acquiring fluorescence fingerprint information of the target amino compound-containing food; and estimating a heating history of the target amino compound-containing food based on the acquired fluorescence fingerprint information.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2018,JPO&INPIT【課題】アミノ化合物含有食品の加熱履歴を客観的かつ迅速に推定することを目的とする。【解決手段】所定の励起波長範囲および所定の蛍光波長範囲で、照射する励起波長および観測する蛍光波長を段階的に変化させながら、測定対象のアミノ化合物含有食品の蛍光強度を測定して、測定対象のアミノ化合物含有食品の蛍光指紋情報を取得し、取得された蛍光指紋情報に基づいて測定対象のアミノ化合物含有食品の加熱履歴を推定する。【選択図】図1