Flavonoids in Ecuadorian Oreocallis grandiflora (Lam.) R. Br.: Perspectives of Use of This Species as a Food Supplement

Table 2

DPPH activity of the two extracts and quercetin 3-glucuronide.

Samples	IC50  g/mL
O. grandiflora flower extract	14.39 ± 1.43
O. grandiflora leaf extract	6.69 ± 1.39
quercetin 3-glucuronide	3.73 ± 0.11
trolox	4.02 ± 0.25