Electrolytic hydrogen-generating bottle supplies drinking water with free/combined chlorine and ozone repressed within safety standard under hydrogen-rich conditions.
Hatae T, Miwa N · Medical gas research · 2021
Research-use notice
Independent study record
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H2HUBB TAKEAWAY
Molecular hydrogen was ineffective or potentially unfavorable under the tested conditions, so the result should be treated as cautionary evidence.
Hydrogen water hydrogen safety study 2021 hatae: what the findings mean
This H2HUBB page translates the technical study record into consumer-friendly language while preserving the scientific details. This study examined Electrolytic hydrogen-generating bottle supplies drinking water with free/combined chlorine and ozone repressed within safety standard under hydrogen-rich conditions. The abstract describes hydrogen delivered as hydrogen water; reported duration 10 minutes.
Publication: Hatae T, Miwa N, Medical gas research, 2021.
What the researchers studied
In addition, the dissolved ozone upon electrolytic generation of hydrogen-water was below the detection limit (< 0.05 mg/L) or undetectable, which fulfilled the official…
What effects did molecular hydrogen have?
Observed hydrogen effects: Hydrogen molecules have attracted attention as a new antioxidant, but are left to be confirmedly verified whether the oral administration is highly safe or not, concurrently with retention of abundant hydrogen. Although a merit of electrolytic hydrogen-generating bottles exists in electrolysis for periods as short as 10 minutes, the 30-minute electrolysis brought about the more abundant hydrogen (479 μg/L) together with an oxidation-reduction potential of -245 mV; even upon this long-term electrolysis, the gross amounts of chlorine, hypochlorous acid and chloramine were shown not to be increased (0.09-0.10 mg/L from 0.11 mg/L for tap water) as detected by orthotolidine colorimetry.
Why these findings matter
The findings do not support therapeutic use under the tested conditions and may raise a safety or effectiveness concern. Negative evidence is important for defining limits, identifying risk, and preventing positive findings from other models from being overgeneralized.
How strong is this evidence?
The evidence classification remains provisional, so the original publication should be checked carefully.
Technical study details
- Hydrogen method: Hydrogen water
- Hydrogen concentration: 0.18 mg/L
- Dose or treatment amount: 0.18 mg
- Treatment duration: 10 minutes
Limitations and safety
Important limitations: The intervention or follow-up period appears relatively short.
Safety information: In addition, the dissolved ozone upon electrolytic generation of hydrogen-water was below the detection limit (< 0.05 mg/L) or undetectable, which fulfilled the official…
Original study and H2HUBB research context
This page explains a published research record and does not turn one study into a medical recommendation. Read the original scientific source for the complete methods, statistics, and author conclusions. Compare this result with related evidence in the H2HUBB Molecular Hydrogen Research Library.