Table 1.

Antioxidant activity of compounds 1–26 evaluated by DPPH radical scavenging method and reducing power assay.

Compound	Antioxidant Activity According to
	DPPH Radical Scavenging Method, %	Reducing Power Assay, Optical Density
1	22.2	0.094
2	24.3	0.107
3	22.2	0.094
4	20.6	0.117
5	41.3	0.278
6	55.7	1.675
7	51.5	1.573
8	42.3	0.053
9	46.8	0.316
10	88.6	0.446
11	49.9	0.011
12	49.2	0.299
13	16.7	0.071
14	53.8	0.191
15	20.8	1.346
16	50.3	0.574
17	50.0	0.223
18	47.9	0.249
19	87.7	0.623
20	58.4	0.303
21	78.6	1.149
22	48.0	0.024
23	30.0	0.456
24	53.9	0.097
25	59.1	0.128
26	66.8	0.115
Control (ascorbic acid)	58.2	2.39