. 2016 Jun 27;25(2):350–359. doi: 10.1016/j.jfda.2016.04.001

Table 3.

The correlation between antioxidant assays and total phenol, flavonoid, and tannin contents.

	SS			CS			SL			CL			SF			CF

	TAC	IC₅₀	CE₅₀	TAC	IC₅₀	CE₅₀	TAC	IC₅₀	CE₅₀	TAC	IC₅₀	CE₅₀	TAC	IC₅₀	CE₅₀	TAC	IC₅₀	CE₅₀
TP	0.99	0.54	0.32	0.75	0.87	0.53	0.80	0.77	0.61	0.97	0.82	0.43	0.97	0.98	0.96	0.87	0.66	0.99
TF	0.02	0.69	0.96	0.82	0.92	0.62	0.80	0.77	0.62	0.63	0.77	0.48	0.99	0.96	0.98	0.78	0.75	0.96
CT	0.62	0.81	0.10	0.25	0.97	0.1	0.99	0.99	0.97	0.95	0.99	0.43	0.67	0.75	0.69	0.30	0.25	0.89

CF = Cultivated flower; CL = Cultivated leaf; CS = Cultivated stem; CT = condensed tannins; EC₅₀ = Reducing power; IC₅₀ = 2,2-diphenyl-1-picrylhydrazyl scavenging activity; SF = Spontaneous flower; SL = Spontaneous leaf; SS = Spontaneous stem; TAC = Total antioxidant capacity; TF = total flavonoids; TP = total phenols.