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Figure 1 | Medical Gas Research

Figure 1

From: Drinking hydrogen water and intermittent hydrogen gas exposure, but not lactulose or continuous hydrogen gas exposure, prevent 6-hydorxydopamine-induced Parkinson’s disease in rats

Figure 1

Temporal profiles of end-alveolar breath hydrogen concentrations in humans. (A) Breath hydrogen concentrations after drinking 200 ml hydrogen-saturated water in 8 healthy subjects. Mean and SEM are indicated. (B) Average breath hydrogen concentrations after taking 6 g lactulose in 28 healthy subjects and 37 PD patients. The two curves are statistically different (P < 0.0001 by two-way ANOVA). *P < 0.05 by Bonferroni post-hoc test. Mean and SEM are indicated. Three representative temporal patterns of monophasic (C), biphasic (D), and no increases (E) of breath hydrogen concentrations after taking 6 g lactulose in PD patients.

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