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Table 3 DPPH radical scavenging activity of extracts

From: Free radical scavenging, α-glucosidase inhibitory and lipase inhibitory activities of eighteen Sudanese medicinal plants

Scientific name SC50 (μg/ml)a value for DPPH radical scavenging activity
70% Ethanol extract Water extract
A. precatorius 13.66 ± 0.12 20.93 ± 3.54
A. nilotica 4.06 ± 0.09 7.51 ± 0.19
B. linariifolia 105.05 ± 2.59 336.73 ± 4.49
B. papyrifera 120.53 ± 3.09 301.53 ± 0.48
C. ipecacuanha 251.28 ± 4.57 359.18 ± 2.89
C. colocynthis 507.67 ± 8.69 698.20 ± 9.68
C. sinensis 316.24 ± 8.83 301.5 ± 10.91
C. proximus 201.88 ± 0.03 333.99 ± 3.54
C. rotundus. 142.23 ± 5.88 270.64 ± 9.62
G. alata 73.68 ± 3.11 137.66 ± 1.31
M. annua 31.65 ± 0.69 281.94 ± 2.65
P. glaucum 127.84 ± 5.14 257.19 ± 2.08
R. graveolens 187.24 ± 1.50 362.04 ± 0.93
S. argel 334.35 ± 6.01 411.42 ± 7.03
T. bakis 278.04 ± 3.92 438.37 ± 2.99
T. foenum-graceum 285.58 ± 2.22 455.84 ± 4.69
V. madagascariensis 463.87 ± 5.21 552.27 ± 11.86
Z. spina-christi 10.75 ± 0.08 36.01 ± 3.60
Troloxb 11.35 ± 0.05
  1. aEach value represents the mean ± SD (n = 3)
  2. bTrolox was used as a positive control