Abstract: A process for continuously producing hydrogen-containing water for drinking includes (a) filtering and purifying water as a raw material; (b) degassing the purified water supplied to a degasser; (c) dissolving hydrogen gas in the degassed water supplied to a hydrogen dissolution device; (d) sterilizing the hydrogen-dissolved water supplied to a sterilizer; (e) filling the hydrogen-containing water supplied to a filling device in a sealed container and transferring the filled water product to a heat sterilizer; and (f) heat-sterilizing the water product supplied to the heat sterilizer, wherein part of the hydrogen-containing water obtained in step (d) is returned to the degasser in step (b) and the water is circulated through steps (b) to (d).

Abstract: A hydrogen-containing drink containing a functional ingredient such as tea and hydrogen water, which maintains a high dissolved hydrogen concentration. A hydrogen-containing drink wherein at least one functional ingredient selected from the group consisting of teas; fruits, vegetables, and plants; sugars and sweeteners; polyphenols; vitamins and coenzymes; amino acids and proteins; oxidoreductases; citric acids; and yeast extracts and polydextroses is blended in hydrogen water, the hydrogen-containing drink being prepared by: degassing water as a raw material, dissolving hydrogen gas in the degassed water through a gas-permeable hollow fiber membrane so as to produce hydrogen water, and dissolving or mixing the functional ingredient in the produced hydrogen water, or dissolving or mixing the functional ingredient in water as a raw material, degassing the obtained solution or mixture, and dissolving hydrogen gas in the degassed solution or mixture through a gas-permeable hollow fiber membrane.

Abstract: There is provided a process for producing hydrogen-containing water for drinking, by which the dissolved hydrogen concentration of the obtained hydrogen water can be more efficiently increased.