The total Phenolics and Flavonoids content and antioxidant activity of the extracts
from the flowers of Tagetes erecta were determined in this study. Twelve different solvent
systems were used for the extraction of Phenolics and Flavonoids from Tagestes erecta flower.
The 20% EtOH:EtOAc obtained most of content (31%). Total Phenolics and Flavonoids content in
the extracts were determined by Folin-Ciocalteu Colorimatric assay and Aluminium chloride
colorimetric assay, respectively. The results found that the extract using 40% EtOH: H2O (510.5
mg GEA/g crude extract and 21.36 mg quercetagetin glucoside/g crude extract, respectively)
showed the best value. The extracts were evaluated the antioxidant activity using by DPPH assay,
the result found that the extract using 40% EtOH: H2O showed the most effective value with IC50
value 5.84±0.052 µg/ml.