. 2014 Sep 3;9(9):e105829. doi: 10.1371/journal.pone.0105829

Table 2. IC₅₀ values of antioxidant (DPPH, ABTS and hydroxyl radical scavenging) and metal chelation assays.

Sl no.	Samples	IC₅₀ values of DPPH radical scavenging assay in µg/mL	IC₅₀ values of ABTS radical scavenging assay in µg/mL	IC₅₀ values of hydroxyl radical scavenging assay in µg/mL	IC₅₀ values of metal chelation activity in µg/mL
1	SCE	133.20±2.45	54.95±1.12	34.74±1.06	89.31±1.82
2	SCH	402.62±3.41	321.12±2.94	364.23±3.17	295.21±4.67
3	SCD	541.65±3.61	96.29±1.90	164.37±2.56	211.38±3.61
4	SCEC	129.43±1.84	35.72±1.02	31.64±0.98	86.49±1.76
5	SCEL	130.04±1.92	36.47±1.21	42.81±1.52	94.38±2.04

Table 2. IC50 values of antioxidant (DPPH, ABTS and hydroxyl radical scavenging) and metal chelation assays.