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  • Chlorination of model systems with aroma compounds was studied. Two mixtures were investigated, one with benzaldehyde, the other with 3-phenyl-1-propanol. Model systems were prepared by mixing sodium hypochlorite water solution with these aroma compounds. Reaction mixtures were analyzed by solid phase micro extraction (SPME) and analyzed by GC-MS. Changes of concentrations of volatile flavor components were observed. Oxidation was found to be the main chemical reaction. Chlorination process was also involved. In model mixture with benzaldehyde, chloro- derivatives such as chlorobenzaldehyde or trichlorophenol were identified. In model mixture with 3-phenyl-1-propanol, chloro- derivatives of methylbenzene, vinylbenzene and ethylbenzene were detected. These chlorinated derivatives were all detected at trace levels. A real risk of contamination of natural or flavored drinks by these components is discussed. (en)
  • Na modelovém systému byly studovány interakce aromatických složek benzaldehydu a 3-fenyl-1-propanolu s vodným roztokem chlornanu sodného. Metodou GC-MS byly v modelu s benzaldehydem detegovány chlorované deriváty benzaldehydu a trichlorfenol. V modelu s 3-fenyl-1-propanolem byly nalezeny chlorované deriváty alkylbenzenů. Chlorované deriváty byly nalezeny i v modelovém systému pouze ve stopových množstvích.
  • Na modelovém systému byly studovány interakce aromatických složek benzaldehydu a 3-fenyl-1-propanolu s vodným roztokem chlornanu sodného. Metodou GC-MS byly v modelu s benzaldehydem detegovány chlorované deriváty benzaldehydu a trichlorfenol. V modelu s 3-fenyl-1-propanolem byly nalezeny chlorované deriváty alkylbenzenů. Chlorované deriváty byly nalezeny i v modelovém systému pouze ve stopových množstvích. (cs)
Title
  • Možnosti vzniku kontaminantů interakcí aromatických složek s chlorovou vodou
  • Možnosti vzniku kontaminantů interakcí aromatických složek s chlorovou vodou (cs)
  • Contaminants formation in model system with chlorinated water and aromatic components (en)
skos:prefLabel
  • Možnosti vzniku kontaminantů interakcí aromatických složek s chlorovou vodou
  • Možnosti vzniku kontaminantů interakcí aromatických složek s chlorovou vodou (cs)
  • Contaminants formation in model system with chlorinated water and aromatic components (en)
skos:notation
  • RIV/60461373:22330/05:00015591!RIV06-MSM-22330___
http://linked.open...avai/riv/aktivita
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  • Z(MSM 223300004)
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  • 531515
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  • RIV/60461373:22330/05:00015591
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  • Sodium hypochlorite; chlorinated water; benzaldehyde; 3-phenyl-1-propanol; model system (en)
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http://linked.open...ontrolniKodProRIV
  • [EC5109751FC7]
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  • Janda, Václav
  • Pudil, František
  • Uvíra, Roman
http://linked.open...n/vavai/riv/zamer
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  • 22330
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