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Table 4 Diameters of inhibition zones (mm) of fractions from C. gigantea ethyl acetate extract

From: Cyathea gigantea (Cyatheaceae) as an antimicrobial agent against multidrug resistant organisms

  FR II FR III FR IV
100 200 400 100 200 400 100 200 400
Staphylococcus aureus ATCC 25923 15.33 ± .577 10.5 ± 0.5 23.17 ± .76
KKN 3 12 ± 1.5 1.33 ± 1.04 21.5 ± 1.32
KKN 4 16.5 ± 0.5 8.67 ± 1.15 21.83 ± 1.89
KKN 10 11.33 ± .288 9.167 ± 1.75 22.33 ± 1.52
KKN 11 13.33 ± .288 11.33 ± 1.52 23.47 ± .503
KKN 12 12.167 ± 1.755 10.33 ± .289 20.33 ± .577
Escherichia coli ATCC 25922 7.167 ± .751 15.167 ± 1.25 24.5 ± 0.5
KKN 5 6.67 ± 1.154 13.13 ± 1.20 23.5 ± .866
KKN 6 6.83 ± 1.44 12 ± 0.5 22.467 ± 1.36
Pseudomonas aeruginosa PAO1 8.67 ± .763 11.33 ± 1.52 26.067 ± .901
KKN 1 9.33 ± .288 9.67 ± .577 23.83 ± .763
KKN 2 7.67 ± .577 9.5 ± 0.5 23.83 ± 1.44
  1. The test was done in triplicate. Diameter of the zone of inhibitions is given here as mean ± standard deviation