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description Journal article public Eureka: Life Sciences

Antibacterial Activity of Fomitopsis Betulina Cultural Liquid

Tetiana Krupodorova, Victor Barshteyn, Elena Pokas
Diterbitkan 2019

Abstrak

The antibacterial activity of Fomitopsis betulina cultural liquid (native, native concentrated, lyophilized, dried) against standard bacteria (Escherichia coli АТСС 25922, Pseudomonas aeruginosa АТСС 27853, Staphylococcus aureus АТСС 25923), and clinical isolates (Acinetobacter baumannii 50/1496 MBL, A. baumannii 88/2995 MBL, E. coli 116/3196 KPC, Klebsiella pneumoniae 6/509 ESBL, AmpC, KPC, P. aeruginosa 99/3066 MBL, P. aeruginosa 125/3343 MBL, S. haemoliticus 22/824 MRSA, S. aureus 134/3569 MRCNS) has been evaluated by the serial dilutions method. The antibacterial activity of F. betulina against S. haemoliticus and A. baumannii has been found for the first time. All samples of F. betulina cultural liquid demonstrated the inhibitory effect against standard bacterial strains at the minimum bactericidal concentration (MBC) ranging from >2.0 up to 18.75 mg/ml, and against multidrug-resistant clinical isolates with MBC from 7.8 up to 48.42 mg/ml. The dried F. betulina cultural liquid showed the highest antimicrobial activity against standard bacteria and clinical isolates, except A. baumannii 50/1496 MBL, while native concentrated cultural liquid was the most effective against this pathogen. The study showed that the antibacterial activity of the cultural liquid of F. betulina was improved by concentration and drying. The results obtained indicate that F. betulina cultural liquid contains alternative antimicrobial agents, useful for the treatment of bacterial diseases and might be a perspective substance for the pharmaceutical industries

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