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  Indian J Med Microbiol
 

Figure 9: ORP change of saliva at start, temporary pause and resumption for hydrogen-water drinking for the aged persons. Note: (A) Data of a 66-year-old female with normal health conditions. There were significant differences between “control” and “hydrogen-water drinking,” and between “placebo” and “hydrogen-water drinking.” (B) Data of a 68-year-old male, with normal health conditions. There were significant differences between “random drinking” and “temporary pause,” between “periodic drinking” and “resumption” and between “periodic drinking” and “temporary pause.” *P < 0.05, **P < 0.01. ORP: Oxidation-reduction potential.

Figure 9: ORP change of saliva at start, temporary pause and resumption for hydrogen-water drinking for the aged persons.
Note: (A) Data of a 66-year-old female with normal health conditions. There were significant differences between “control” and “hydrogen-water drinking,” and between “placebo” and “hydrogen-water drinking.” (B) Data of a 68-year-old male, with normal health conditions. There were significant differences between “random drinking” and “temporary pause,” between “periodic drinking” and “resumption” and between “periodic drinking” and “temporary pause.” *<i>P</i> < 0.05, **<i>P</i> < 0.01. ORP: Oxidation-reduction potential.