Study the antimicrobial activity of Lemon grass leaf extracts

دراسة الفعالية المضادة للمايكروبات لمستخلص أوراق حشيشة الليمون

Antimicrobial properties of Lemon grass were investigated against both clinical and laboratory isolates of both bacteria and fungi using the disc diffusion method. Acetone extracts (15 mm zone diameter of inhibition, MIC 250 μg/mL and MBC 300 μg /mL) demonstrated the highest activity, followed by dichloromethane (7 mm zone diameter of inhibition, MIC 300 μg /mL and MBC 400 μg/mL), methane (7.5 mm diameter of inhibition, MIC 400 μg /mL and MBC 400 μg /mL) and hexane (5.8 mm zone zone diameter of inhibition, MIC 800 μg/mL and MBC 1000 μg/mL). Water extracts demonstrated the least activity against the test bacteria and fungi (4 mm zone diameter of inhibition, MIC 900 μg/mL and MBC 900 μg/mL). Phyto constituents present included Saponins, Tannins, Alkaloids and Flavonoids. Lemon grass can be used to source antibiotic substances for possible treatment of bacterial and fungal infections.