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International Journal of Phytomedicine and Phytotherapy

Table 1 Antimicrobial activities of M. benthaminaum extracts

From: Inhibitory effects of Mezoneuron benthamianum root extracts on oral cariogenic microorganisms and 2,2-diphenyl-1-picrylhydrazyl (DPPH) scavenging radical

Test Organisms M. benthaminaum Extracts Positive control
MBM MBH MBE MBAM Gentamicin
Concentrations (mg/mL)/ Zone of Inhibition (mm) μg/mL
6.25 12.5 23 50 100 6.25 12.5 25 50 100 6.25 12.5 25 50 100 6.25 12.5 25 50 100 10
P. aeruginosa (ATCC 27855) 12 14 16 18 24 8 8 14 16 18 18 8 14 16 22 12 12 14 16 18 18
P. aeruginosa (LIO) 12 14 16 18 24 10 12 14 16 18 16 14 20 22 24 8 8 16 18 20 16
S. aureus (ATCC 29213 14 16 18 22 26 8 8 8 8 10 24 8 20 24 26 10 14 16 18 20 24
S. areus (LIO) 12 14 16 18 22 8 8 8 8 10 22 12 20 22 24 8 12 14 16 18 22
E. coli (ATCC 35218) 8 12 14 16 22 8 8 8 8 8 20 8 12 14 16 8 12 14 16 18 20
E. coli (LIO) 12 14 16 18 22 8 8 8 8 10 20 8 18 22 24 16 18 24 26 28 20
S. mutans (LIO) 12 14 17 19 23 10 10 11 12 14 12 14 17 20 23 11 13 14 16 19 22
  1. KEY: MBM M. benthamianum methanol crude extract, MBH M. benthamianum hexane extract, MBE M. benthamianum ethyl acetate extract, MBAM M. benthamianum aqueous methanol extract, LIO Locally isolated organism “8 mm“= No inhibition