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. 2019 Apr 11;24(7):1435. doi: 10.3390/molecules24071435

Figure 4.

Figure 4

Inhibitory effect of 14 isolated compounds from H. Japonicus on MAO B based on fluorescent characteristics of 4-hydroxyquinoline, which is the product of the redox reaction catalyzed by MAO B. The inhibitory activity against MAO B was determined after MAO B was incubated with 14 compounds isolated from H. Japonicus at 20 µM. Values represent the relative activity of MAO B compared to the control group without addition of these inhibitory compounds as the mean ± SD (n = 3), * p < 0.05, ** p < 0.01 and *** p < 0.001.