Bidens pilosa L. (Asteraceae): Botanical Properties, Traditional Uses, Phytochemistry, and Pharmacology

Table 15

Radical scavenging activity of secondary metabolites from B. pilosa [47].

Metabolite (Table 11)/Control	DPPH assay, IC50 (μg/mL)
199	Not determined
124	5.3
130	6.8
167	10.5
169	3.3
171	3.8
119	Not determined
110	Not determined
Quercetin	2.56
Caffeic acid	8.90