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Table 2 IC50 values (μg/ml) of different antioxidant activities of S. mukorossi

From: Evaluation of antioxidant, anti-inflammatory, analgesic and antipyretic activities of the stem bark of Sapindus mukorossi

Plant sample

DPPH radical scavenging activity (μg/ml)

Hydroxyl radical scavenging activity (μg/ml)

Nitric oxide scavenging activity (μg/ml)

β-Carotene bleaching inhibition activity (μg/ml)

Iron chelating activity (μg/ml)

SMM

162.5 ± 1.29d

61.97 ± 7.56e

161.9 ± 5.33e

24.97 ± 4.9d

162.5 ± 8.3d

SMH

304.9 ± 4.5c

101.3 ± 3.88d

281.4 ± 6.12c

44.67 ± 4.2c

304.9 ± 9.9c

SMC

530.7 ± 5.7b

239.6 ± 8.44c

207.6 ± 5.8d

30.5 ± 2.5d

530.7 ± 6.5b

SME

173.2 ± 1.01d

44.7 ± 3.09f

152.9 ± 6.7e

16.24 ± 5.1e

173.2 ± 5.6d

SMB

718.8 ± 9.47a

578.7 ± 3.7b

531.2 ± 4.7b

182.3 ± 5.8b

718.8 ± 9.7a

SMA

523.7 ± 8.45b

939.6 ± 4.44a

653.7 ± 4.2a

355.5 ± 7.8a

523.7 ± 5.9b

Rutin

–

21.35 ± 3.71g

–

–

–

AA

89.2 ± 4.05e

25.93 ± 3.08g

65.92 ± 1.99f

–

–

EDTA

–

–

–

–

89.2 ± 5.99e

Catechin

–

–

–

11.8 ± 3.6e

–

  1. Values are presented as mean ± SD (n = 3). Means with different superscript (a-e) letters in the rows are significantly (P < 0.01) different from one another. AA, Ascorbic acid; SMM, S. mukorossi methanol extract of stem bark; SMH, n-hexane fraction of SMM; SMC, chloroform fraction of SMM; SME, ethyl acetate fraction of SMM; SMA, soluble residual aqueous fraction of SMM; −, not determined