Monoamine Oxidase-A Inhibition and Associated Antioxidant Activity in Plant Extracts with Potential Antidepressant Actions

Figure 4

Inhibition of human monoamine oxidase-A (MAO-A) by active components of H. perforatum: hypericin (a) and quercetin (■) and hyperforin (▲) (b).

(a)

(b)