Authors
1 Academic Member of Islamic Azad Univ. Tehran – Iran
2 Student of Plant Biology of Islamic Azad Univ. Tehran – Iran
Abstract
In this study anti-microbial properties of aquatic and ethanolic extract of urtica dioica were tested.The antimicrobial properties of aquatic and ethanolic extracts (80%) of this plant were studied on four species of bacteria (Pseudomonas. aeruginosa, Bacillus subtilis, Staphilococcus aureus, E.coli and a fungus (Candida albicans) using routine methods appling the Muller-Hinton Agar, Sabourou Dextrose Agar and pour plate method, measuring the diameter of inhibitory zone .
The Ethanolic extract(80%) of plant showed antimicrobial effect on Pseudomonas. a, Bacillus subtilis, Staphilococcus aureus, E. coli, Candida albicans, among them urtica’s seed extract had the most effect on gram –positive bacteria , urtica, s leaf had the most effect on gram-negative bacteria and urtica’s flower had the most fungicidal property.All the aquatic extracts of plant showed antimirobial effect on extracts thses microorganisms except Pseudomonas.a
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