Table 2 DPPH, ABTS radical scavenging activity and FRAP of Portulaca oleracea L. extracts with different extraction solvent (%)

Item	Extraction solvent	Concentration (μg/mL)
		250	500	1,000
		DPPH radical scavenging activity	Water	6.86±1.501)^a2)	12.27±0.59^b	24.63±2.25^c
Ethanol	18.83±0.90^a*3)	DPPH radical scavenging activity	23.97±2.49^b*	27.85±2.33^b*
ABTS radical scavenging activity	Water	21.07±0.74^a	41.63±0.89^b	75.53±1.27^c*
ABTS radical scavenging activity	Ethanol	23.11±0.26^a*	41.42±0.71^b	67.03±0.18^c
FRAP	Water	26.67±0.23^a	44.86±0.19^b	85.64±0.54^c
FRAP	Ethanol	28.27±0.41^a*	57.72±0.55^b*	115.67±2.07^c*

Each value is mean±SD of ≥3 determinations. Values represent an average of three determinations.
^a-cMeans with different superscripts within the same row are significantly different by Duncan’s multiple range test (p<0.05).
^*Means within same item are significantly different by student’s t-teat (p<0.05).