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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.