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Table 2 Percent DPPH and ABTS radical scavenging potential of crude extract and their sub fractions of Bergenia ciliata rhizome using ascorbic acid as standard

From: Isolation of bioactive compounds from Bergenia ciliata (haw.) Sternb rhizome and their antioxidant and anticholinesterase activities

Samples Concentrations (μg/mL) DPPH Percent inhibition (mean ± S.E.M) DPPH IC50 (μg/mL) ABTS percent inhibition (mean ± S.E.M) ABTS IC50(μg/mL)
Crude 1000 87.50 ± 0.70*   85.37 ± 2.45 ns  
500 77.66 ± 1.20 ns   76.33 ± 0.67 ns  
250 70.31 ± 0.76 ns 62 69.00 ± 1.00 ns 70
125 62.34 ± 2.45 ns   57.33 ± 0.66 ns  
62.5 50.50 ± 0.70 ns   48.45 ± 0.52 ns  
n-butanol 1000 82.62 ± 0.76***   80.26 ± 1.03***  
500 74.32 ± 0.62**   70.05 ± 0.77***  
250 63.00 ± 1.73*** 122 60.30 ± 2.33*** 140
125 47.22 ± 0.66***   44.97 ± 1.09***  
62.5 39.03 ± 0.60***   34.10 ± 0.50***  
Ethyl acetate 1000 77.66 ± 2.45***   75.00 ± 0.88***  
500 66.07 ± 0.56***   65.66 ± 0.81***  
250 59.33 ± 1.46*** 170 57.02 ± 0.44*** 186
125 44.08 ± 0.73***   42.11 ± 0.66***  
62.5 32.50 ± 3.45***   27.64 ± 2.39***  
Chloroform 1000 70.27 ± 0.71***   68.84 ± 0.47***  
500 61.31 ± 0.60***   57.33 ± 0.78***  
250 53.33 ± 1.45*** 205 50.22 ± 0.46*** 267
125 40.05 ± 0.56***   35.01 ± 0.52***  
62.5 27.12 ± 0.66***   23.25 ± 0.38***  
Aqueous 1000 62.18 ± 0.67***   60.15 ± 0.44***  
500 51.50 ± 0.55***   48.33 ± 1.33***  
250 42.02 ± 0.57*** 440 37.64 ± 0.58*** 600
125 28.37 ± 0.65***   24 .62 ± 0.85***  
62.5 16.56 ± 2.38***   13.03 ± 0.86***  
n-hexane 1000 54.27 ± 0.72***   52.50 ± 0.50***  
500 42.49 ± 0.50***   40.00 ± 1.08***  
250 34.07 ± 0.58*** 830 31.16 ± 0.70*** 910
125 25.31 ± 0.67***   22.06 ± 2.38***  
62.5 12.66 ± 1.45***   10.04 ± 1.54***  
Ascorbic acid 1000 92.94 ± 0.86   89.67 ± 0.73  
500 80.29 ± 0.79 50 80.45 ± 0.96 64
250 71.93 ± 0.45   68.34 ± 2.16  
125 62.90 ± 0.48   58.90 ± 0.85  
62.5 52.88 ± 0.32   49.78 ± 0.76  
  1. Ascorbic acid was used as a positive control. Data is represented as mean ± S.E.M; (n = 3). Values significantly different as compared to positive control,*: P < 0.05, ***: P < 0.001, ns: P > 0.05