Table 2.

Antioxidant (CUPRAC and DPPH) activities of compounds 8–14.

No	DPPH, SC50 (μg/mL)	CUPRAC (mg TEAC/mg)
8	61.42 ± 1.41	1.156 ± 0.026
9	71.96 ± 2.36	0.856 ± 0.013
10	65.65 ± 1.69	0.789 ± 0.009
11	81.52 ± 3.66	0.584 ± 0.011
12	40.21 ± 2.71	1.233 ± 0.015
13	57.32 ± 2.12	1.245 ± 0.019
14	54.41 ± 2.87	1.189 ± 0.021
Trolox	5.56 ± 0.85	-