Table 8.

IC₅₀ values (μM) determined against DPPH radicals applied in ethyl acetate (radical solution in methanol or ethyl acetate), dichloromethane (radical solution in methanol or dichloromethane) and hexane (radical solution in acetone or hexane) after standard reaction time.

Antioxidant	EtOAc + MeOH 30 min	EtOAc 30 min	DCM + MeOH 30 min	DCM 30 min	Hex + Acn 30 min	Hex 30 min
gallic acid	11.63	42.30	N.A. 1	N.A.	N.A.	N.A.
ferulic acid	198.87	1256.36	N.A.	N.A.	N.A.	N.A.
catechin	34.30	154.17	N.A.	N.A.	N.A.	N.A.
quercetin	22.80	V.N.D. 2	N.A.	N.A.	N.A.	N.A.
propyl gallate	14.73	35.85	N.A.	N.A.	N.A.	N.A.
ascorbyl palmitate	30.52	33.83	N.A.	N.A.	N.A.	N.A.
α-tocopherol	31.02	35.66	35.57	35.16	35.50	34.93
Trolox	30.88	235.08	N.A.	N.A.	N.A.	N.A.

¹ N.A.—not applicable. ² V.N.D.—value not determined.