Table 3.

Reducing ability and EC₅₀ values of Taraxacum officinale essential oil and ascorbic acid at different concentrations.

Concentration (μg/mL)	Ascorbic Acid	EO
1000	1.52 ± 0.005	0.64 ± 0.003 *
800	1.21 ± 0.01	0.55 ± 0.04 *
600	0.95 ± 0.03	0.48 ± 0.03 *
400	0.71 ± 0.01	0.42 ± 0.05 *
200	0.43 ± 0.01	0.34 ± 0.04 *
0	0	0
EC50 (mg/mL)	0.034 ± 0.28	0.963 ± 0.006

Values are expressed as mean ± SD, n = 3, * p < 0.05 vs. standard. AA: ascorbic acid; EO: essential oil.