Antimicrobial and toxicological evaluation of ethanol leaf extract of Salacia lehmbachii

Interdisciplinary Toxicology
Augustine Dick EssienAlozie Ogwuegbu Okezie

Abstract

The leaves of Salacia lehmbachii are used ethnomedically across Africa for the treatment of different diseases its antimicrobial activity as well as toxicological profile were evaluated. Antimicrobial activity against clinical strains of Pseudomonas aeruginosa, Salmonella typhi, Staphylococus aureus, Shigella species, Eschericha coli and Proteus mirabilis were compared with Gentamycin. Toxicological investigation was determined by administering 100 mg/kg, 200 mg/kg and 400 mg/kg of the ethanol leaf extract to male Wistar rats for 21 days with distilled water as control. Hematological and biochemical parameters as well as the vital organs were examined. The ethanol extract inhibited the growth of P. aeruginosa, S. typhi, S. aureus, Shigella species, E. coli and P. mirabilis to varying extents. The LD50 in rats was greater than 5000 mg/kg. Toxicological evaluation of the extract did not produce any significant effect on hematological and biochemical parameters and vital organs in rats. S. lehmbachii ethanol leaf extract did not demonstrate antimicrobial activity against selected microorganisms. Neither did it show any non-toxic effect on the parameters investigated in rats. Thus the extract can be considered safe when administere...Continue Reading

References

Dec 1, 1983·Archives of Toxicology·D Lorke
Mar 15, 1981·Toxicology and Applied Pharmacology·W M Kluwe
Jun 23, 2001·The Journal of Antimicrobial Chemotherapy·J M Andrews
Nov 29, 2002·International Journal of Hygiene and Environmental Health·Nachman Brautbar, John Williams
Nov 19, 2010·BMC Complementary and Alternative Medicine·Tavs A AbereFreddy O Agoreyo

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Citations

Jul 13, 2019·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Nelson G M GomesPaula B Andrade

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