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Antibacterial effects of the methanolic extract of Glycine Max (Soybean)

Seyede Asma Hosseini Chaleshtori, Mehrdad Ataie Kachoie, Seyed Mojtaba Hashemi Jazi
  • Seyede Asma Hosseini Chaleshtori
    Department of Agro-ecology, Faculty of Agriculture, Shahrekord Branch, Islamic Azad University, Shareakord, Iran, Islamic Republic of
  • Mehrdad Ataie Kachoie
    Department of Agro-ecology, Faculty of Agriculture, Shahrekord Branch, Islamic Azad University, Shareakord, Iran, Islamic Republic of | leikhaji@yahoo.com
  • Seyed Mojtaba Hashemi Jazi
    Horticulture Crop Research Department, Chaharmahal Va Bakhtiari, Agricultural and Natural Resources, Research and Education Center (AREEO), Shahrekord, Iran, Islamic Republic of

Abstract

High occurrence of antibiotic resistance in pathogenic bacteria is caused by the use of natural medicinal plants to eliminate risk of infectious diseases. Glycine max is on the most popular and nutritious foods with high antimicrobial effects. The present research was done to study the antibacterial effects of the methanolic extract of G. max against Gram-negative and positive bacteria. G. max seeds of M7 and M9 varieties were purchased and their methanolic extracts were collected. Diameter of the zone of growth inhibition of extracts were measured for pathogenic bacteria using the CLSI guidelines. Antimicrobial effects of G. max extracts were also compared with several antibiotics. Diameter of the inhibition zone of tested bacteria against different treatments of G. max had a ranges of 5.93±0.18 to 22.61±1.80 mm. M7 variety had a higher antimicrobial effects on tested bacteria (P0.05). The highest diameter of the zone of growth inhibition was seen for L. monocytogenes (22.61±1.80 mm) and S. aureus (19.33±1.56 mm). Antimicrobial effects of the methanolic extract of the G. max was also dose-dependent (P0.05). Diameter of the inhibition zone of tested bacteria against different antibiotic agents had a ranges of 5.94±0.38 to 24.95±2.11 mm. Ciprofloxacin, penicillin G tetracycline, gentamicin and azithromycin antibiotic agents exhibited the highest diameter of zone of the growth inhibition for K. pneumoniae (15.71±1.46 mm), L. monocytogenes (23.94±2.03 mm), L. monocytogenes (20.55±1.95 mm), S. aureus (14.27±1.36 mm) and L. monocytogenes (24.95±2.11 mm), respectively. Formulation of antibiotic agent using the 100 mg/mL concentration of the M7 variety of G. max has been recommended for treatment of the cases of infectious diseases

Keywords

Glycine max, Methanolic extract, Antimicrobial effect, Zone of growth inhibition

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Submitted: 2017-07-19 11:18:20
Published: 2017-11-07 10:53:39
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Copyright (c) 2017 Seyede Asma Hosseini Chaleshtori, Mehrdad Ataie Kachoie, Seyed Mojtaba Hashemi Jazi

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