Home > Search Results: keywords:"difuzní metoda"
Search:
Search Tips :: Advanced Search
Search collections:
Sort by: Display results: Output format:
National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Determination of antimicrobial activity of berry fruit extracts
 Procházková, Lucie ; Veselá, Mária (referee) ; Vítová, Eva (advisor)
The goal of this bachelor´s thesis was the determination of effect of model sample of chokeberry extract (Aronia melanocarpa) on selected types of microorganisms (bacteria Bacillus cereus and Escherichia coli, yeast Candida glabrata). Two commercially available samples of natural extracts from raspberry and cocoa were selected and analysed for comparison. Theoretical part is focused on characteristic, composition and properties of mentioned plant materials, there are also listed their uses in pharmacy, medicine and cosmetics and possible methods of determination of antimicrobiological activity. Analysed commercially available samples of raspberries and cocoa don´t show any antimicrobial activity to selected microorganisms with the exception of 100% raspberry extract on Candida glabrata. There was growth promotion of colonies in the surroundings of the extract in other microorganisms. Ethanol extract of chokeberry fruits showed growing antimicrobial activity with increasing concentration of the extract. The strongest potential was observed in yeast Candida Glabrata and in bacteria Bacillus cereus. The bacteria Escherichia coli was completely resistant.
Detailed record
Determination of antimicrobial activity of berry fruit extracts
 Procházková, Lucie ; Veselá, Mária (referee) ; Vítová, Eva (advisor)
The goal of this bachelor´s thesis was the determination of effect of model sample of chokeberry extract (Aronia melanocarpa) on selected types of microorganisms (bacteria Bacillus cereus and Escherichia coli, yeast Candida glabrata). Two commercially available samples of natural extracts from raspberry and cocoa were selected and analysed for comparison. Theoretical part is focused on characteristic, composition and properties of mentioned plant materials, there are also listed their uses in pharmacy, medicine and cosmetics and possible methods of determination of antimicrobiological activity. Analysed commercially available samples of raspberries and cocoa don´t show any antimicrobial activity to selected microorganisms with the exception of 100% raspberry extract on Candida glabrata. There was growth promotion of colonies in the surroundings of the extract in other microorganisms. Ethanol extract of chokeberry fruits showed growing antimicrobial activity with increasing concentration of the extract. The strongest potential was observed in yeast Candida Glabrata and in bacteria Bacillus cereus. The bacteria Escherichia coli was completely resistant.
Detailed record

Interested in being notified about new results for this query?
Subscribe to the RSS feed.
Digital Repository :: Search :: Submit :: Personalize :: Help
Powered by Invenio v1.1.2
Maintained by admin.invenio@techlib.cz
This site is also available in the following languages:
Česky  English