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

Table 3

In vitro anti-inflammatory effect of OG leaf and flower extracts by isolated neutrophils model using stable tetrazolium salt (WST-1).

Concentration (μg/mL)	Inflammatory Inhibition (%)
	Leaf extract	Flower extract	Aspirin
1.56	39.87 ± 1.64	43.42 ± 1.21	36.21 ± 1.43
3.12	48.32 ± 1.18	46.67 ± 1.39	39.14 ± 1.15
6.25	56.76 ± 0.83	51.31 ± 1.77	42.25 ± 0.86
12.5	62.17 ± 0.45	54.04 ± 1.40	57.43 ± 0.21
25	74.41 ± 0.71	57.75 ± 0.47	61.54 ± 0.33
50	87.83 ± 1.11	60.19 ± 0.64	65.31 ± 0.18
100	88.80 ± 0.61	61.38 ± 0.80	69.85 ± 0.25
200	97.18 ± 1.85	68.27 ± 2.88	74.11 ± 0.11
IC50	4.08 ± 0.07	5.87 ± 1.48	8.85 ± 0.79

Values are mean ± SD, n=5. Significant values, P<0.05, using Student’s t-test; leaf extract versus flower extract.