. 2017 Apr 30;2017:4951937. doi: 10.1155/2017/4951937

Table 5.

Antioxidant activities of Cynara scolymus leaves extracts.

Sample	FRAP assay (umol Fe (II)/g DW)	β-Carotene bleaching assay (%)	TEAC assay (mmol Trolox/g DW)
Hexane	223.023 ± 11.16^#∗∗∗	37.38 ± 5.24^#∗∗∗	104.3 ± 10.73^#∗∗∗
Ethyl acetate	508.29 ± 5.24^#∗∗∗	61.56 ± 8.17^#∗	382.60 ± 5.24^#∗∗
Butanol	443.06 ± 22.98^#∗∗∗	49.393 ± 2.24^#∗∗	251.93 ± 28.15^#∗∗∗
Ethanol	527.79 ± 16.26	70.743 ± 1.29	499.43 ± 39.72
Aqueous	315.91 ± 8.36^#∗∗∗	56.11 ± 5.43^#∗∗	210.74 ± 8.36^#∗∗∗
BHT	—	47.94 ± 0.75^#∗∗∗	—
AA	—	90.59 ± 3.25^#∗∗∗	—

Values are means ± SD (n = 3). Butylated Hydroxytoluene (BHT) and Ascorbic Acid (AA) were used as positive control; ^#compared with EtOH extract. ^∗p < 0.05, ^∗∗p < 0.01, and ^∗∗∗p < 0.001.