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Table 2 AChE inhibitory potential of plant extracts

From: Phenolic contents, antioxidant and anticholinesterase potentials of crude extract, subsequent fractions and crude saponins from Polygonum hydropiper L

Samples Concentrations (μg/ml) Percent inhibition (mean ± SEM) IC50(μg/ml)
Ph.Cr 1000 86.87 ± 1.27 330
500 80.62 ± 1.67**
250 31.31 ± 0.58***
125 27. 22 ± 1.28***
Ph.Hex 1000 87.49 ± 0.60 35
500 76.28 ± 1.94**
250 70.08 ± 1.04***
125 65.37 ± 0.56***
Ph.Chf 1000 84.76 ± 0.61 55
500 81.36 ± 1.31**
250 66.27 ± 1.06***
125 61.17 ± 1.30***
Ph.EtAc 1000 79.95 ± 2.01** 310
500 58.89 ± 4.82***
250 46.22 ± 1.28***
125 40.51 ± 0.54***
Ph.Bt 1000 75.52 ± 3.28** 240
500 55.59 ± 3.28***
250 50.83 ± 1.21***
125 45.87 ± 0.85***
Ph.Aq 1000 67.60 ± 1.63*** 100
500 64.42 ± 1.89***
250 58.25 ± 1.40***
125 51.10 ± 0.60***
Ph.Sp 1000 87.58 ± 0.63 108
500 86.61 ± 0.43
250 60.93 ± 0.67***
125 53.65 ± 0.91***
1000 95.83 ± 1.21
Galanthamine 500 93.58 ± 0.63 < 0.1
250 87.45 ± 0.90
125 83.08 ± 1.04
  1. Result expressed as% inhibition (mean ± SEM of n = 3) and IC50 values. Values significantly different as compare to positive control, *:P < 0.05, **:P < 0.01, ***:P < 0.001.