To provide a hydrogen-containing water product in which the oxidation-reduction potential is maintained at a low value even after a lapse of a certain period from the production.SOLUTION: This packaging container is provided with a straw packaging container having a sealing cap attached to the opening, hydrogen-containing water pressurized and filled in the container, and a space above the hydrogen-containing water in the container Containing water product which is produced by heat treatment after pressure filling and which is present even after at least 90 days thereafter, wherein the oxidation-reduction potential of the hydrogen-containing water is maintained at room temperature after production Containing at least 90 days after the lapse of time, {[-59 (pH value of hydrogen-containing water in the hydrogen-containing water product for drink after elapse of 90 days)]-170} mV or less Water products.Selection drawing None【課題】製造から一定期間経過後においても酸化還元電位を低い値に維持した水素含有水製品を提供すること。【解決手段】開口部に封止キャップが取り付けられてなるストロー付包装容器と、該容器内に加圧充填された水素含有水と、該容器内の水素含有水より上方の空間に、該加圧充填後の加熱処理により生成されそしてその後少なくとも90日経過後においても存在するガス雰囲気とを有する飲料用水素含有水製品であって、前記水素含有水の酸化還元電位が、製造後常温保存下で少なくとも90日経過後において、{[-59×(90日経過後の該飲料用水素含有水製品中の水素含有水のpH値)]-170}mV以下であることを特徴とする、飲料用水素含有水製品。【選択図】なし
