Determination of Efficacy of Allium sativum (Garlic) Bulbs Extracts on Some Enteric (Pathogenic) Bacteria

Abstract

This study was carried out to determine whether ethanol and aqueous extracts of Allium sativum (garlic) could effectively eliminate pure cultures of selected enteric and pathogenic bacteria. Ethanol and water extracts of Allium sativum (garlic) bulbs were made through cold extraction and then concentrated by refluxing in soxhlet apparatus. A crude (raw) extract of the bulbs was also obtained by blending and then using muslin cloth to squeeze the juice out. These extracts were tried at various concentrations on four species of enteric bacteria namely: Salmonella typhi, Salmonella paratyphi, Pseudomonas aeruginosa and Klebsiella spp. to observe their efficacy on these pathogenic bacteria. Crude extract showed a highly positive result and the rest were negative.