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Table 3 Antioxidant activity of the crude extract, fractions and compounds from the stem bark of Polyscias fulva (IC 50 in μg/ml)

From: Antibacterial and antioxidant properties of crude extract, fractions and compounds from the stem bark of Polyscias fulva Hiern (Araliaceae)

Test substance DPPH test β- Carotene/ linoleic acid
1 1141.10 ± 0.05e 14.77 ± 0.49a
3 nd 98.09 ± 9.32b
7 135.39 ± 3.33abc 108.13 ± 17.59b
8 180.08 ± 83.07bc 291.68 ± 77.58c
9 277.55 ± 77.28d nd
10 190.82 ± 74.30cd nd
11 1961.90 ± 0.05f 768.24 ± 0.03f
Hexane fraction nd 660.73 ± 21.52e
Crude extract 84.86 ± 0.00a 128.52 ± 0.00b
Ethyl acetate fraction 93.65 ± 0.00ab 91.21 ± 0.00b
n-butanol fraction 100.58 ± 0.00ab 128.04 ± 0.00b
L-ascorbic acid 58.29 ± 0.25a 386.26 ± 1.09d
  1. Along each column, values with the same letter superscripts are not significantly different. Waller Dunkan (p < 0.05). nd: not determined (RSa >2000 μg/ml)
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