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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