head JofIMAB
Journal of IMAB - Annual Proceeding (Scientific Papers)
Publisher: Peytchinski Publishing Ltd.
ISSN: 1312-773X (Online)
Issue: 2021, vol. 27, issue1
Subject Area: Medicine
DOI: 10.5272/jimab.2021271.3506
Published online: 07 January 2021

Original article

J of IMAB. 2021 Jan-Mar;27(1):3506-3509
Gabriela Tsankova1ORCID logo Corresponding Autoremail, Tatina Todorova1ORCID logo, Neli Ermenlieva1ORCID logo, Albena Merdzhanova2ORCID logo, Veselina Panayotova2ORCID logo, Diana Dobreva2ORCID logo, Katya Peytcheva2ORCID logo,
1) Department of Microbiology and Virology, Faculty of Medicine, Medical University of Varna, Bulgaria.
2) Department of Chemistry, Faculty of Pharmacy, Medical University of Varna, Bulgaria.

Background: Over the past decade, there has been a growing interest in sea bivalves, which are an inexpensive and easily accessible source of high-quality proteins, lipids and secondary metabolites with antimicrobial and anti-fungal potential. Farmed Black Sea mussel (M. galloprovincialis) are promising objects for the study of their antimicrobial potential.
Purpose: The aim of this work is to determine the antibacterial activity of different extracts from the Black Sea mussel Mytilus galloprovincialis tissues by using the disc diffusion method with cultures of Staphylococcus aureus, Escherichia coli and Klebsiella pneumoniae.
Material/Methods: Extraction of mussel tissues was done with different solvents: ethyl acetate (100%), methanol (100%), glycerol:water (50%, 1:1 v/v), ethanol (50%), acetone (70%), hot water. Antimicrobial activities of these extracts from Mytilus galloprovincialis was assessed by the disc-diffusion method.
Results: Testing antibacterial activity of black mussels revealed that ethyl acetate extract showed the highest activity against Еscherichia coli (13 mm) and Klebsiella pneumoniae (11 mm) and no activity against Staphilococcus aureus. The glycerol: water extract showed growth inhibition effect against Staphylococcus aureus (11 mm) and Escherichia coli (10 mm), but no effect against Klebsiella pneumoniae.
Conclusions: The preliminary information presented in this study showed that the Black Sea farmed mussel could be an interesting source of antibacterial compounds. The glycerol-water extracts of Mytilus galloprovincialis had low antimicrobial activities against Staphylococcus aureus and more important against Escherichia coli.

Keywords: antibacterial activity, Mytilus galloprovincialis, disc-diffusion method,

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Please cite this article as: Tsankova G, Todorova T, Ermenlieva N, Merdzhanova A, Panayotova V, Dobreva D, Peytcheva K. Antibacterial activity of different extracts of black mussel (Mytilus galloprovincialis) from the Black Sea, Bulgaria. J of IMAB. 2021 Jan-Mar;27(1):3506-3509. DOI: 10.5272/jimab.2021271.3506

Corresponding AutorCorrespondence to: Gabriela Tsankova, Department of Microbiology and Virology, Faculty of Medicine, Medical University of Varna; 3, Bregalniza Str., 9002 Varna, Bulgaria; E-mail: gabriela_sc@abv.bg

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Received: 28 February 2020
Published online: 07 January 2021

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