Table 2.

Antioxidant activity of 1% solutions of the test compounds applied to the skin, acceptor fluid obtained after 24 h of collection, and solutions obtained after skin extraction

Compound	Antioxidant activity (DPPH method)
	Solution applied to the skin	Acceptor fluid after 24 h of penetration	Solution after skin extraction
	mmol TE/dm3
Eugenol*	1.23 ± 0.01a	0.08 ± 0.01a	0.22 ± 0.02b
EDChA *	1.08 ± 0.02b	0.07 ± 0.00a	0.25 ± 0.01a
ETChA*	1.04 ± 0.01c	0.06 ± 0.00a	0.21 ± 0.01b
DChAA	No activity	No activity	No activity
TChAA	No activity	No activity	No activity

* Mean ± S.D. (n = 3), different letters - values are significantly different, mass substance in the acceptor fluid (P < 0.001)