The Scientific World Journal / 2013 / Article / Tab 2

Research Article

Evaluation of the Antibacterial and Antifungal Potential of Peltophorum africanum: Toxicological Effect on Human Chang Liver Cell Line

Table 2

Mechanism of antibiosis using MLC/MICindex of the extract against test organisms.

Test bacteria and yeastEthyl acetate extract (mg/mL) Tetracycline ( g/mL)
MIC* MLC* MLC/MICindexMIC MBC*

Helicobacter pylori (ATCC 43526)2.5104ND*ND
Pseudomonas aeruginosa (ATCC 15442)0.6251.252NDND
Plesiomonas shigelloides (ATCC 51903)0.156250.3125210>10
Streptococcus pyogenes (ATCC 49399)0.6252.54NDND
Aeromonas hydrophila (ATCC 35654)2.55210>10
Staphylococcus aureus (NCTC 6571)2.552>10>10
Shigella sonnei (ATCC 29930)1.2554NDND
Salmonella Typhimurium (ATCC 13311)1.252.52NDND
Candida albicans (ATCC 2091)5 >10>210>10
Cryptococcus neoformans (ATCC 66031)10NDNDNDND

: minimum inhibitory concentration; MLC: minimum lethal concentration; MBC: minimum bactericidal concentration; ND: not determined.