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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Antimicrobial activity of rosehip teas
 Ďubašáková, Mária ; Vespalcová, Milena (referee) ; Veselá, Mária (advisor)
The aim of this bachelor theses was to determine the concentration of biologically active substances such as polyphenols and flavonoids and also total antioxidant activity of tea extract of rosehip and also research antimicrobial activity and the effective concentration of the extracts against selected bacteria. Theoretical part is focuses on the description of natural antioxidants and active effect against free radicals, description and distribution of tea, botanical and chemical description od rosehip and basic information about bacteria. There is section describe selected methods for the determination of polyphenols, flavonoids, total antioxidant activity of these extracts, and verification of antimicrobial activity against grampositive and gramnegative bacteria in experimental section. From the results is flow, that the analyzed extracts have no inhibition activity against bacteria. Also was found that aqueous extracts has high proportion flavonoids and polyphenols.
Detailed record
Antimicrobial activity of rosehip teas
 Ďubašáková, Mária ; Vespalcová, Milena (referee) ; Veselá, Mária (advisor)
The aim of this bachelor theses was to determine the concentration of biologically active substances such as polyphenols and flavonoids and also total antioxidant activity of tea extract of rosehip and also research antimicrobial activity and the effective concentration of the extracts against selected bacteria. Theoretical part is focuses on the description of natural antioxidants and active effect against free radicals, description and distribution of tea, botanical and chemical description od rosehip and basic information about bacteria. There is section describe selected methods for the determination of polyphenols, flavonoids, total antioxidant activity of these extracts, and verification of antimicrobial activity against grampositive and gramnegative bacteria in experimental section. From the results is flow, that the analyzed extracts have no inhibition activity against bacteria. Also was found that aqueous extracts has high proportion flavonoids and polyphenols.
Detailed record

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