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Table 4 Antimicrobial screening of three fractions of D. rotundifolia extract at 100 mg/Ml, in methanol: water (1: 1).

From: Antidiarrhoea and toxicological evaluation of the leaf extract of Dissotis rotundifolia triana (Melastomataceae)

Test organism Chloroform fraction Ethylacetate fraction Butanol fraction Aqueous fraction
  (mm) (mm) (mm) (mm)
Escherichia coli - 2 5 -
Pseudomonas aeruginosa - - 7 3
Staphylococcus aureus 1 2 5 2
Salmonella typhi 1 1 4 -
  1. The diameter recorded is the diameter of the zone of inhibition less the diameter of the cup (8 mm).
  2. Values are mean (n = 5)