Table 1.

In vitro scavenging activity IC₅₀ of verbascoside and ascorbic acid (reference substance) (µM). The results are expressed as mean ± S.E. of n = 3.

	DPPH•	Superoxide (O2•−)	Hydroxyl (•OH)
Verbascoside	58.1 µM ± 0.6	24.4 µM ± 1.4	357 µM ± 16.8
Ascorbic acid	284.9 µM ± 1.2	66.1 µM ± 1.8	1031 µM ± 19.9