. 2012 May 22;6:43. doi: 10.1186/1752-153X-6-43

Table 3.

IC₅₀of different extracts of Launaea procumbens for various antioxidant systems

	DPPH activity	ABTS radical Inhibition assay	Phosphomolybdenum assay	β-carotene bleachingInhibition	Chelating activity on Fe²+	Hydroxyl radical scavengingactivity	Super oxide radicalscavenging activity	Nitric oxide scavenging activity	Lipid peroxidationassay	Hydrogen peroxide scavenging activity
LPME	2.6 ± 0.004^a	50.2 ± 4.7^a	64.27 ± 2.2^a	51.4 ± 2.4^a 21^a	63.6 ± 1.1^a	54.2 ± 1.4^a	70.3 ± 2.43^a	59.4 ± 2.42^b	60.25 ± 4.7^a	60.4 ± 3.65^a
LPCE	17.8 ± 0.06^d	88.5 ± 3.8^b	78.3 ± 2.8^b	94.2 ± 2.6^b	69.5 ± 3.0^a	56.4 ± 2.0^a	90.5 ± 3.6^b	66.3 ± 1.6^a	80.2 ± 4.56^b	80.5 ± 3.0^b
LPEE	10.4 ± 0.21^c	104.3 ± 1.9^c	98.3 ± 1.8^c	125.4 ± 1. 5^c	74.1 ± 3.06^b	75.3 ± 2.23^b	139.6 ± 6.3^c	99.1 ± 3.9^b	97.3 ± 1.5^c	97.6 ± 2.3^c
LPHE	19 ± 0.04^d	122.1 ± 5.2^d	123 ± 3.09^d	190.21 ± 2.8^d	92.5 ± 3.25^c	92.5 ± 0.56^c	220.7 ± 7.8^d	145 ± 3.2^c	112.2 ± 2.4^d	100.7 ± 3.8^c
RT	6.7 ± 0.09^b	52.7 ± 3.2^a	58.3 ± 1.8^a	61.6 ± 2.4^a	75.3 ± 3.18^b	93.2 ± 2.6^c	68.6 ± 2.3^a	68.45 ± 4.2^a	57.4 ± 3.1^a	86.3 ± 4.0^b
ASA	3.7 ±0.4^a	57.4 ± 3.1^a	72.3 ± 2.2^a	54.7 ± 3.6^a	65.0 ± 2.1^a	92.5 ± 2.56^c	70.7 ± 2.8^a	57.2 ± 2.65^a	52.7 ± 3.2^a	76.3 ± 2.15^b

Each value in the table is represented as Mean ± SD (n = 3). Means not sharing the same letter are significantly different (LSD) at P < 0.01 probability level in each column.