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Table 1 Percent (%) inhibition of schizonts by extracts of Andrographis paniculata (AP) and Hedyotis corymbosa (HC) in choloroquine sensitive (MRC-pf-20) and resistant strains (MRC-pf-303) of Plasmodium falciparum.

From: Anti-malarial activities of Andrographis paniculata and Hedyotis corymbosa extracts and their combination with curcumin

Plant extracts Concentration of drug (μg/ml) Chloroquine sensitive (MRC-pf-20) Chloroquine resistant (MRC-pf-303)
Andrographis paniculata 1.8 15.3 ± 1.49 11.6 ± 0.6
  3.6 33.6 ± 2.1 28.13 ± 0.6
  7.2 52.6 ± 1.01 50.7 ± 1.3
  15.0 70.5 ± 1.9 66.1 ± 0.8
  30.0 85.3 ± 1.5 81.6 ± 1.8
  62.5 96. 8 ± 0.7 94.8 ± 0.8
  125 100 100
  250 100 100
  500 100 100
Hedyotis corymbosa 1.8 8.3 ± 1.2 6.7 ± 0.7
  3.6 20.2 ± 0.8 17.5 ± 1.4
  7.2 39.3 ± 0.9 33.1 ± 0.6
  15.0 61.7 ± 1.1 59.8 ± 2.0
  30.0 82.4 ± 1.9 77.3 ± 1.3
  62.5 91.8 ± 0.6 88.7 ± 0.7
  125 97.5 ± 0.9 96.9 ± 0.05
  250 100 100
  500 100 100