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Influence of metal nanoparticles on some microorganisms and microflora of unpasteurized beer

Pyrog, T P ; Konon, A D ; Antoniuk, S I ; Olishevs'kyĭ, V V ; Marynin, A I

Mikrobiolohichnyĭ zhurnal (Kiev, Ukraine : 1993), 2011-11, Vol.73 (6), p.12 [Periódico revisado por pares]

Ukraine

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Título:
Influence of metal nanoparticles on some microorganisms and microflora of unpasteurized beer
Autor: Pyrog, T P ; Konon, A D ; Antoniuk, S I ; Olishevs'kyĭ, V V ; Marynin, A I
Assuntos: Anti-Bacterial Agents - chemistry ; Anti-Bacterial Agents - pharmacology ; Antifungal Agents - chemistry ; Antifungal Agents - pharmacology ; Aspergillus niger - drug effects ; Aspergillus niger - growth & development ; Bacillus subtilis - drug effects ; Bacillus subtilis - growth & development ; Beer - microbiology ; Candida - drug effects ; Candida - growth & development ; Cerium - chemistry ; Cerium - pharmacology ; Escherichia coli - drug effects ; Escherichia coli - growth & development ; Food Preservation - methods ; Fusarium - drug effects ; Fusarium - growth & development ; Gold - chemistry ; Gold - pharmacology ; Metal Nanoparticles ; Microbial Sensitivity Tests ; Penicillium chrysogenum - drug effects ; Penicillium chrysogenum - growth & development ; Saccharomyces cerevisiae - drug effects ; Saccharomyces cerevisiae - growth & development ; Silver - chemistry ; Silver - pharmacology ; Zirconium - chemistry ; Zirconium - pharmacology
É parte de: Mikrobiolohichnyĭ zhurnal (Kiev, Ukraine : 1993), 2011-11, Vol.73 (6), p.12
Descrição: The influence of nanoparticles of gold, silver, dioxide of cerium and zirconium in low concentration (0.5-7.5 mg/l) on pure cultures of Escherichia coli IEM-1, Bacillus subtilis BT-2, Candida scottii KB-2, Saccharomyces cerevisiae OB-3, Aspergillus niger R-3, Fusarium culmorum T-7 and Penicillium chrysogenum F-7 has been investigated. Silver nanoparticles, which caused a decrease of the amount of S. cerevisiae OB-3 cells by 90% after one hour of exposition, and led to almost complete death of vegetative and spore cells of B. subtilis BT-2 after 1 and 24 h of exposition, respectively, proved to be the most effective antimicrobial preparation. The decrease by one-two orders of the amount of B. subtilis BT-2 and of S cerevisiae OB-3 cells under the influence of preparations of silver nanoparicles in the presence of gold has been established. After adding silver preparations to the unpasteurized beer one could observe a decrease by 10-20% of bacterial and by about 40% of fungi which contaminated microflora on the 20th day of shelf-life. The paper is presented in Ukrainian.
Editor: Ukraine
Idioma: Ucraniano

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Influence of metal nanoparticles on some microorganisms and microflora of unpasteurized beer

Pyrog, T P ; Konon, A D ; Antoniuk, S I ; Olishevs'kyĭ, V V ; Marynin, A I

Ukraine

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