Table 2.
SOD-like activity of hot water extracts from root and aerial par t of S. palmata

Concentration (μg/mL)	Extract		Control
	RHW	APHW	Ascorbic acid
	100	3.44 ± 0.56^b1)	2.76 ± 0.60^b	90.59 ± 0.78^a
300	7.13 ± 0.77^b	5.40 ± 1.39^bc	93.86 ± 0.23^a
500	10.58 ± 0.56^b	8.05 ± 0.80^c	96.86 ± 0.39^a
1,000	14.76 ± 0.37^b	12.99 ± 1.63^bc	98.56 ± 0.23^a
2,000	23.74 ± 0.56^b	21.61 ± 1.21^bc	99.08 ± 0.23^a

Values represent the mean±SD and mean with different superscripts within the row are significantly different at p<0.05 by Duncan’s multiple range test.