PROBLEM TO BE SOLVED: To provide antitumor aqueous solutions exerting an antitumor effect by a relatively simple construction, and to provide production methods thereof.SOLUTION: The invention provides an antitumor aqueous solution containing a culture medium, hydrogen peroxide, and nitrite ion. Preferably, the concentration of hydrogen peroxide is 30 μM to 100 mM and preferably the concentration of nitrite ion is 300 μM to 1M. Though hydrogen peroxide and nitrite ion are preferably generated in a culture medium by irradiating the culture medium with non-equilibrium atmospheric pressure plasma, a plasma generator is not necessarily required.SELECTED DRAWING: NoneCOPYRIGHT: (C)2016,JPO&INPIT【課題】比較的単純な構成で抗腫瘍効果を奏する抗腫瘍水溶液とその製造方法の提供。【解決手段】培養液と、過酸化水素と、亜硝酸イオンとを含有する抗腫瘍水溶液。過酸化水素の濃度は好ましくは30μM~100mMであり、亜硝酸イオンの濃度は好ましくは300μM~1Mである。更に、培養液に非平衡大気圧プラズマを照射することにより、過酸化水素と亜硝酸イオンとを培養液中に発生させることが好ましいが、プラズマ発生装置は必ずしも必要としない。【選択図】なし
