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Table 2 Antioxidant activity measured by DPPH scavenging

From: Chemical constituents, antioxidant, and antimicrobial activity of Allium chinense G. Don

Concentration (μg/ml) Ascorbic acid Leaf extract Bulb extract
1 9.630 ± 0.057 1.238 ± 0.133 1.972 ± 0.010
10 15.313 ± 0.067 3.665 ± 0.007 2.369 ± 0.056
25 29.390 ± 0.115 5.077 ± 0.015 4.317 ± 0.012
50 49.127 ± 0.037 7.502 ± 0.018 6.594 ± 0.032
75 62.160 ± 0.034 9.036 ± 0.139 7.479 ± 0.010
100 83.167 ± 0.072 10.729 ± 0.260 8.731 ± 0.006
IC50 55.118 533.337 678.347
  1. Values are mean % inhibition ± SE (n = 3; p < 0.05)