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Table 4 Antioxidant activity as (% and IC50) of isolated compound from C.vulgaris (0.316 mg/L Cu) compared with (BHT) and (vitamin C) against DPPH (%) 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

Compound Isolated compound BHT Vitamin C
conc.
μg/ml
(μg/ml)
  30 min. 60 min. 30 min. 60 min. 30 min. 60 min.
250 84.1±1.02a 85.32±1.22a 92.7±1.0a 93.2±2.2a 90.3±1.0a 90.9±2.2a
125 76.99±1.1b 80.24±1.35b 90.3±0.9b 89.0±2.0b 88.8±0.9b 88.3±1.9b
62.50 72.74±1.2c 77.04±1.24c 84.4±0.4c 84.9±2.0c 83.7±1.1c 85.9±1.0c
31.25 69.6±1.9d 73.74±1.02d 72.7±0.5d 73.2±1.9d 68.2±0.7d 69.5±0.9d
15.62 68±0.97d 73.74±1.00d 70.2±0.8d 69.4±1.2e 64.4±0.5e 63.0±0.9e
IC50 11.48 10.59 11.1 11.2 12.1 12.9
  1. Different small letters on the column for each time indicate significant difference (p< 0.05) Error bars represent ±SD of three replicates
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