| 摘要 |
Highly reductive hydrogen reduced water, which is suitable for drinking, and which is superior to conventional reduced water, is produced by dissolving large quantities of hydrogen gas in raw water. A pressure vessel 6 is filled with hydrogen gas; the pressure of the hydrogen gas in the pressure vessel 6 is maintained within a predetermined range; and raw water is introduced into the pressure vessel 6 . More particularly, the raw water is introduced into the pressure vessel 6 as a shower from a nozzle 7 , provided at the upper interior of the pressure vessel 6 . After contacting hydrogen gas with the raw water in the pressure vessel 6 and dissolving the hydrogen gas in the raw water by these means, the water is packaged and sealed in a highly airtight container, and heat sterilization is performed in this state.
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