Table 13.

TEAC values determined against DPPH radicals applied in methanol or ethyl acetate (radical solution in methanol) after standard reaction time.

Antioxidant	MeOH + MeOH 30 min			EtOAc + MeOH 30 min
	A = 0.2 × Ac	A = 0.5 × Ac	A = 0.8 × Ac	A = 0.2 × Ac	A = 0.5 × Ac	A = 0.8 × Ac
gallic acid		1.16		1.95	2.66	3.09
ferulic acid	0.17	0.26	0.36	0.11	0.16	0.20
catechin		0.46			0.90
quercetin		1.13		1.16	1.35	1.51
propyl gallate		1.03			2.10
ascorbic acid		0.35			N.A. 1
ascorbyl palmitate		0.45			1.01
α-tocopherol		0.47			1.00
Trolox		1.00			1.00
phenolic mixture		0.50			N.T. 2
applicable compounds mixture	0.43	0.44	0.54		N.T.

¹ N.A.—not applicable. ² N.T.—not tested.