Some effects of different habitats on antimicrobial activities of (Urtica dioica L.)

Subject Areas : Genetic

elham mogheyseh ¹ (Secretary-Department of Biology-Education - Gorgan County)
مه لقا Ghorbanli, ² (Department of Biology,Islamic Azad University, Gorgan Branch, Iran)

Received: 2008-03-06 Accepted : 2008-06-14 Published : 2008-12-21

Keywords: Urtica dioica, Different habitats, Antimicrobial screning,

Abstract :

Different habitats don’t have the same effects on the growth of plants and different climates can influence the rate of efficient compounds of plants. So, we make a decision for researching about Urtica dioica L. that it’s a medicinal plant and in traditional medicine, it has been used for cure of many diseases. During the reproductive period of stinging nettle the sample of this plant was collected from four regions of Gorgan city situated in Golestan province. The ethanol extract of different organs of U. dioica L. was extracted and effected on three bacteries, Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa and Candida albicans, by using MIC and MBC method. The results of this study showed that ethanol extract has antibacterial and antifungal activity. Prepared extract from high altitude had more antimicrobial effects. It was clear that leaf had most efficient extract among these four evaluated organg (MIC: 62.5mg/ml) and in most cases, stem extract didn’t have antimicrobial effect or its effect was little. But E. coli excluded of this rule and its root extract always was the most efficient extract in all of the altitudes and had the best inhibitory and fatality (MIC 7.8 mg/ml, MBC 15.62 (mg/ml) effects.

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