Research Article

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

Table 2

Content (μg/mg)1 of the main active components in H. perforatum samples.

H. perforatum samplesPseudohypericinHypericinHyperforinQuercetin

Plant
Stems (top)
Stems (central)
Roots---
Flowers
Commercial prep.
Herbs
Capsules
Tablets

Significant differences () for a compound within a group are indicated with different letters. 1μg of compound/mg of plant tissue for plants parts and herbs or mg of powder in capsules and tablets.