|عنوان فارسی مقاله:||اثر ضد میکروبی 15 گونه از گیاهان دارویی و وابستگی آنها به شرایط اقلیمی رشد در مناطق مختلف جغرافیایی و زیست محیطی استان فارس|
|عنوان انگلیسی مقاله:||Antimicrobial Effect of 15 Medicinal Plant Species and their Dependency on Climatic Conditions of Growth in Different Geographical and Ecological Areas of Fars Province|
|رشته های مرتبط:||کشاورزی، زیست شناسی، علوم گیاهی، عبوم سلولی و مولکولی، علوم باغبانی، گیاهان دارویی|
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Background: The effects of medicinal plants are variable in different conditions. Here, the antimicrobial effect of 15 medicinal plant species and their dependency on the climatic condition of growth in different geographical and ecological areas of Fars Province were studied. Materials and Methods: In This empirical study, the antimicrobial effect of hydroalcoholic extract of 15 medicinal plant species was examined against standard bacterial strains comparing to conventional therapeutic antibiotics using disk diffusion assay and serial broth dilution. Results: All Extracts were effective against S.aureus ATCC 25923 growth; also Peganum harmala, Myrtus communis, Mentha pulegium, Mentha spp, and Zataria multiflora extracts were observed to have antimicrobial activity against E.coli ATCC 25922. This antimicrobial activity had partially similar results, comparing to conventional antibiotics Conclusion: Medicinal plants produce various amounts of antimicrobial substances under the climatic and ecological conditions of each zone, which must be considered in manufacturing herbal medicines.
ntroduction sing chemicals in medicine production has always drawn researchers’ attention; however, chemical medicines’ side effects have led to an inclination toward applying essential compounds in the diseases treatment from thousands of years ago. Medicinal plants are used in treating diseases as low-risk, available, and inexpensive natural materials with higher consumption by people comparing to synthetic drugs [1, 2]. Upon recognizing the first antibiotic and developing its use in the treatment, new antibiotics were increasingly developed for infections recovery. Excessive use of these antimicrobial drugs led to medicinal resistance increase against different antibiotics in most bacteria [3, 4]. And, that is why a new wave of expansive global studies has raised and the antibacterial effects of different plants have introduced [1, 2]. Diversity of geographical and climate conditions in Iran has resulted in a diverse and rich source of plant species in our country some of which have medicinal properties including antibacterial activity. Climatic differences of growth in terms of conditions such as average precipitation and annual temperature, altitude from sea level, type of soil, and many other physical, chemical and ecological factors affecting the growth of plants can lead to qualitative and quantitative differences in morphology and amount of substances produced by plants – which in turn lead to changes in the effects of a plant [5, 6]. This study is aimed at examining the dependency of 15 plant species antimicrobial properties on the growth climate in different zones of Fars Province. These plants included Peganum harmala ،Cinamomum zeylanicum ، Achillea fragrantissimia ،Urtica dioica ،Saturina hortensis ،Myrtus communis ،Mentha pulegium ،Zingiber officinale ،Cuminum cyminum ،Saturina hortensis ، Plantago psyllium ،Glycyrrhiza glabra ،Matricaria chamomilla ،Mentha spp., and Zataria multiflora. The antimicrobial effects of these plants are demonstrated by the researchers in previous studies [1, 5-10]. The given plants are used by the people of Fars Province to treat some clinical infections.