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Table 6 Antimicrobial activity for P. resinosa fractions

From: Antimicrobial and cytotoxicity properties of the crude extracts and fractions of Premna resinosa (Hochst.) Schauer (Compositae): Kenyan traditional medicinal plant

Fractions Diameter of zone of inhibition in mm
Microorganism
Gram positive Gram negative Fungi
SA MRSA PA EC KP SH ST CA CR
PE 18 ± 0.6 NT 0 11.3 ± 0.3 0 0 0 10.3 ± 0.3 NT
DCM 19.3 ± 0.3 10.6 ± 0.6 0 10.3 ± 0.3 0 9.7 ± 0.7 0 9.3 ± 0.3 0
EA 22.3 ± 0.3 0 0 0 NT 11.7 ± 0.3 0 6.3 ± 0.3 7.3 ± 0.3
MOH 19.0 ± 0.6 10.7 ± 0.9 0 11.7 ± 0.3 7.3 ± 0.3 12.3 ± 0.3 7.0 ± 0.6 10.0 ± 0.6 NT
PC 33.7 ± 0.3 24.3 ± 0.3 23.7 ± 0.6 17 ± 0.6 15.7 ± 0.3 19.7 ± 0.6 21.3 ± 0.3 16.3 ± 0.3 20.3 ± 0.3
NC 0 0 0 0 0 0 0 0 0
  1. PE Petro ether fraction at 5 μg/disc, DCM Dichloromethane fraction at 5 μg/disc, EA Ethyl acetate fraction at 2.5 μg/disc, MOH Methanol fraction at 5 μg/disc, PA P. aerogenosa, EC E. coli, SA S. aureus, KP K. pneumoniae, MRSA Methicillin Resistant S. aureus, SH Shigella, ST S. typhi, CA C. albicans, CR Cryptococcus, PC Positive control (Oxacillin 10 μg/disc and Gentamycin 10 μg/disc for Gram positive and Gram negative bacteria respectively. Nystatin 100 μg/disc for fungi), NC Negative control (Discs loaded with 10 μl of DMSO), n = 3, values Mean ± SEM