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Table 2 Antibacterial activity of the crude plant extracts on MRSA

From: Screening of crude extracts of six medicinal plants used in South-West Nigerian unorthodox medicine for anti-methicillin resistant Staphylococcus aureus activity

Plants used MRSA (n = 23) *S aureus
  Water extract Ethanol extract Water extract Ethanol extract
B. ferruginea 2.6 4.7 2.4 4.6
A. conyzoides 2.0 3.3 2.1 3.4
T. avicennioides 12.2 17.6 12.0 18.0
P. discoideus 11.5 16.0 11.2 16.1
O. gratissimum 10.2 10.3 9.0 9.5
A. wilkesiana 8.3 9.5 8.2 9.2
Methicillin - - - -
Oxacillin - - - -
  1. Activity key: Figures indicate average zone of inhibition (in mm), (-) = no inhibition, *S. aureus (NCIB 8588) = standard strain used. Methicillin & Oxacillin = (commercial antibiotics), n = number of MRSA tested.