Evaluating Antibacterial Effects of Alcoholic Extracts and Essential Oil of Althaea officinalis Against Two Types of Gram-positive and Gram-negative Bacteria (Bacillus cereus and Klebsiella pneumonia)

Arab, Mahsa; Arab, Nasim; Kahrizi, Danial; Ebadi, Abdol Ghaffar

doi:10.22092/jmpb.2021.355329.1385

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	Evaluating Antibacterial Effects of Alcoholic Extracts and Essential Oil of Althaea officinalis Against Two Types of Gram-positive and Gram-negative Bacteria (Bacillus cereus and Klebsiella pneumonia)
Journal of Medicinal plants and By-product
مقالات آماده انتشار، پذیرفته شده، انتشار آنلاین از تاریخ 31 شهریور 1400 اصل مقاله (1.58 MB)
نوع مقاله: Research Paper
شناسه دیجیتال (DOI): 10.22092/jmpb.2021.355329.1385
نویسندگان
Mahsa Arab¹؛ Nasim Arab²؛ Danial Kahrizi ³؛ Abdol Ghaffar Ebadi ⁴
¹Department of Biology, Faculty of Sciences, Sari Branch, Islamic Azad University, Mazandaran, Iran
²Ministry of Education, Sari, Mazandaran, Iran
³Department of Plant Production and Genetics, Faculty of Science and Agricultural Engineering, Razi University, Kermanshah, Iran
⁴Department of Agriculture, Jouybar Branch, Islamic Azad University, Jouybar, Iran
چکیده
Regarding the emergence of microbial resistant strains to chemical drugs, it was important to make efforts for finding new antimicrobial factors with fewer side effects for substituting chemical drugs. This study investigated the antibacterial effects of alcoholic extracts (ethanol and ethyl acetate). Althaea officinalis parts (flower, leaf, stem and root) were considered against two positive and negative bacteria types of pneumonia (Bacillus cereus and Klebsiella pneumonia) under laboratory conditions. In order to investigate anti-microbial activities of alcoholic extracts and Althaea officinalis essence in different concentrations, they were affected over mentioned bacteria by using the Diffusion Disk method. Penicillin, Ampicillin, Gentamicin, and Vancomycin were used as a positive control and Ethanol, Ethyl acetate and DMSO solvents as negative control and Minimal Inhibitory Concentration (MIC) and Minimal Bactericidal Concentration (MBC) have been determined. Taking essence has been conducted by the Clevenger system. Its chemical combinations were identified by GC-MS. Results showed that stem (total) ethanol extracts and Althaea officinalis essences (in the concentration 100 mg/ml) have the highest microbial properties on Klebsiella pneumonia. The ethanol extract was affected on all components of Althaea officinalis and Ethyl acetate extracts of leaf and stem over Klebsiella pneumonia and Althaea officinalis essence (in the concentration 12.5 µl/ml) over both bacteria. Gentamicin as an anti-biotic had good inhibitory power against bacteria as a positive control in comparing other antibiotics. 56 combinations of Althaea officinalis essence were extracted by more than 93% of main combinations consisted of Thymol, p-Cymene, γ-Terpinene, β-pinene, Terpineol, Carvacrol. The more extract and essence concentration increased antibacterial properties and inhibitory halo diameter. Althaea officinalis extracted combinations with anti-bacterial properties were considered as the main factor for consuming Althaea officinalis in different industries as an herbal drug by natural origin and anti-bacterial effects.
کلیدواژه‌ها
Bacterial؛ Extract؛ Essence؛ Bacillus cereus

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Evaluating Antibacterial Effects of Alcoholic Extracts and Essential Oil of Althaea officinalis Against Two Types of Gram-positive and Gram-negative Bacteria (Bacillus cereus and Klebsiella pneumonia)