Physiological, antioxidant and antimicrobial properties of some herbal extracts
Journal Title: International Journal of Farming and Allied Sciences - Year 2015, Vol 4, Issue 1
Abstract
The main purpose of this study is to investigate phytochemical and antibacterial effects of several species of native plants of Iran against pathogenic bacteria and introduce them as one appropriate alternative drug against these bacteria. First, the plants were collected and named scientifically and then their effects were examined on growth inhibition of Staphylococcus aureus, Bacillus cereus, Escherichia coli and Salmonella enteritidis after providing methanol extract with 500, 250, 125, 62.5, 31.25, 15.62 and 3.9 mg/ml dilutions via Macro dilution & Disk plate methods. Also, phytochemical experiments on provided extracts were conducted to examine the existence of Alkaloid, Tannin, Saponin, Anthocyanin and measuring the level of phenol and antioxidant effect (DPPH method). The results showed that the methanol extract of these 3 species have significant antimicrobial effect on standards strains. The maximum and minimum level of phenol was in Heracleum Persicum and Salvia Officinalis, respectively. The results of DPPH showed that 50% inhibitory concentration in Teucrium Polium, Heracleum Persicum and Salvia Officinalis was 5.74±0.099, 5.005±0.154 and 6.208±0.224 mg/ml, respectively. The result of this study and others show that the chemical drugs could be replaced by extract of herbs for treatment of infections.
Authors and Affiliations
Mehdi Khorshidi and Masoomeh Vaghef
Keywords
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