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Table 1 Antioxidant activity (as % and IC50) of the four promising algal fractions from the crude extract from {(0.316 mg/L (Cu) of C.vulgaris compared to BHT and vitamin C as standards against ABTS (%) radical method

From: Evaluation of antioxidant and anticancer activity of crude extract and different fractions of Chlorella vulgaris axenic culture grown under various concentrations of copper ions

Fraction Hexane (100%) Hexane:Chloroform (6:4) Hexane:Chloroform
500 94.013±1.00a 96.220±1.070a 97.203±1.06a 94.253±1.092a 94.3±3.0a 97.1±3.6a
250 93.110±1.01a 95.237±1.081a 96.220±1.07a 89.013±1.000b 90.8±2.9b 93.2±2.5b
125 80.000±1.00b 85.157±1.036b 92.283±1.11b 85.110±1.018c 85.4±2.0c 90.2±2.1c
62.50 54.947±0.88c 68.170±0.662c 86.203±0.621c 71.073±0.793d 70.7±1.0d 87.9±1.9d
31.25 51.077±0.88d 56.000±1.000d 80.410±0.524d 66.190±0.734e 57.5±0.9e 76.9±1.9e
15.62 39.333±0.57e 40.610±0.385e 53.000±1.00e 44.600±0.529f 51.8±0.9f 53.0±1.0f
IC50 19.85 19.52 14.2 17.75 15.1 14.7
  1. Different small letters on the column for each fraction indicate significant difference (p< 0.05). Error bars represent ±SD of three replicates