In Vitro Antioxidant, Cytotoxic Activities, and Phenolic Profile of Senecio glaucus from Saudi Arabia

Table 1

DPPH and ABTS scavenging activity of S. glaucus extract and fractions.

Sample	(DPPH radical scavenging activity in %)
	10	50	100	500	1000
SG-crude	2.4 ± 3.4	10.4 ± 4.3	21.6 ± 3.6	35.9 ± 3.5	54.4 ± 2.7
SG-hex	2.3 ± 0.3	10.2 ± 3.1	19.7 ± 0.7	31.7 ± 2.1	44.7 ± 1.3
SG-CHCl3	12.7 ± 4.1	20.3 ± 4.3	43.3 ± 3.9	61.3 ± 4.1	76.7 ± 3.2
SG-ButOH	11.2 ± 3.6	19.1 ± 4.4	31.5 ± 3.4	47.5 ± 2	63. 6 ± 2.3
Ascorbic acid	80.7 ± 2.5	85.1 ± 1.3	85 ± 3.2	88.7 ± 2.4	90.7 ± 4.4
	(ABTS radical cation scavenging activity in %)
SG-crude	6.21 ± 4.2	12.2 ± 3.1	22.3 ± 2.4	38.3 ± 4.6	51.6 ± 3.7
SG-hex	2.3 ± 3.1	5.4 ± 3.1	12.6 ± 2.7	20.6 ± 3.1	41.7 ± 3.1
SG-CHCl3	13.2 ± 3.3	19.3 ± 2.7	34.3 ± 3.2	56.3 ± 3.5	74.1 ± 2.3
SG-ButOH	6.21 ± 4.2	19.2 ± 3.1	32.3 ± 2.4	48.3 ± 4.6	61.6 ± 3.7
Ascorbic acid	80.7 ± 2.4	81.2 ± 2.1	84.2 ± 3.2	87.2 ± 2.4	88.7 ± 2.6