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| Description
| - The study of the role of polyphenols in malt, hops and beers is very important and therefore new rapid extraction techniques are required. Modern Pressurized Fluid Extraction (PFE) technique coupled with HPLC and high sensitivity CoulArray detection was used for analysing of some of the polyphenols in malt and hops. The qualitative and quantitative dependence of extracted polyphenols on extraction temperature was found under optimized extraction conditions of PSE technique. Recoveries within the temperature interval 40–60 °C were constant with the exception of ferulic acid. Outside of this interval concentrations of some polyphenols depend on the temperature significantly. Obtained results were compared with results obtained by the currently used warm water extraction methods (e. g. congress mashing or water extraction under refrigeratory ).
- The study of the role of polyphenols in malt, hops and beers is very important and therefore new rapid extraction techniques are required. Modern Pressurized Fluid Extraction (PFE) technique coupled with HPLC and high sensitivity CoulArray detection was used for analysing of some of the polyphenols in malt and hops. The qualitative and quantitative dependence of extracted polyphenols on extraction temperature was found under optimized extraction conditions of PSE technique. Recoveries within the temperature interval 40–60 °C were constant with the exception of ferulic acid. Outside of this interval concentrations of some polyphenols depend on the temperature significantly. Obtained results were compared with results obtained by the currently used warm water extraction methods (e. g. congress mashing or water extraction under refrigeratory ). (en)
- Studium významu polyfenolů ve sladu, chmelu a pivu je velmi důležité a jeho přepokladem je využívání nových extrakčních postupů. Pro stanovení některých polyfenolů sladu a chmele byla použita moderní tlaková fluidní extrakce kombinovaná s HPLC a vysoce citlovou CoulArray detekcí. Byla pozorována kvalitativní i kvantitativní závislost průběhu extrakce polyfenolů na teplotě extrakce v podmínkách optimalizované PSE techniky. S výjimkou kyseliny ferulové byla výtěžnost v rozmezí teplot 40–60 °C konstantní. Mimo tento interval se vátěžnost polyfenolů výrazně měnila. Získaná výsledky byly porovnány s výsledky získanými běžnou extrakcí horkou vodou. (cs)
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| Title
| - Pressurized Fluid Extraction with CoulArray detection – new alternative of polyphenol extraction and detection in malt and hops
- Pressurized Fluid Extraction with CoulArray detection – new alternative of polyphenol extraction and detection in malt and hops (en)
- Tlaková fluidní extrakce s coularray detekcí - nová alternativa extrakce a stanovení polyfenolů sladu a chmele (cs)
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| skos:prefLabel
| - Pressurized Fluid Extraction with CoulArray detection – new alternative of polyphenol extraction and detection in malt and hops
- Pressurized Fluid Extraction with CoulArray detection – new alternative of polyphenol extraction and detection in malt and hops (en)
- Tlaková fluidní extrakce s coularray detekcí - nová alternativa extrakce a stanovení polyfenolů sladu a chmele (cs)
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| skos:notation
| - RIV/60193697:_____/08:#0000460!RIV09-MSM-60193697
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/60193697:_____/08:#0000460
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - pressurized fluid extraction; CoulArray detection; polyphenols; malt; hop (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...v/mistoKonaniAkce
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| http://linked.open...i/riv/mistoVydani
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| http://linked.open...i/riv/nazevZdroje
| - Sborník přednášek a posterů 22. Pivovarsko-sladařské dny, Praha, 1.-2. listopad 2007
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| http://linked.open...in/vavai/riv/obor
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| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
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| http://linked.open...UplatneniVysledku
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| http://linked.open...iv/tvurceVysledku
| - Horák, Tomáš
- Karásek, P.
- Kellner, Vladimír
- Čejka, Pavel
- Jurková, Marie
- Čulík, Jiří
- Roth, M.
- Planeta, J.
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| http://linked.open...vavai/riv/typAkce
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| http://linked.open.../riv/zahajeniAkce
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| http://linked.open...n/vavai/riv/zamer
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| number of pages
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| http://purl.org/ne...btex#hasPublisher
| - Výzkumný ústav pivovarský a sladařský, a. s.
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| https://schema.org/isbn
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