Tlaková fluidní extrakce ve spojení s CoulArray detekcí - nová progresivní alternativa pro extrakci a detekci polyfenolů ve sladu a chmelu

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60193697%3A_____%2F07%3A%230000399" target="_blank" >RIV/60193697:_____/07:#0000399 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Pressurized Fluid Extraction in connection with CoulArray detection ? new progressive alternative of polyphenol extraction and detection in malt and hops.

Popis výsledku v původním jazyce

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 (PSE) technique coupled with HPLC and high sensitivity CoulArray detection wasused 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 warmwater extraction methods. This PSE method together with HPLC and high sensitivity CoulArray detector could be a basis for standard analytical methods which could be independent on any enzymatic activities.

Název v anglickém jazyce

Pressurized Fluid Extraction in connection with CoulArray detection ? new progressive alternative of polyphenol extraction and detection in malt and hops.

Popis výsledku anglicky

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 (PSE) technique coupled with HPLC and high sensitivity CoulArray detection wasused 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 warmwater extraction methods. This PSE method together with HPLC and high sensitivity CoulArray detector could be a basis for standard analytical methods which could be independent on any enzymatic activities.

Druh

D - Stať ve sborníku

CEP obor

CB - Analytická chemie, separace

OECD FORD obor

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Projekt

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Návaznosti

Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2007

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

Proceedings of the 31st EBC Congress

ISBN

978-90-70143-24-4

ISSN

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e-ISSN

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Počet stran výsledku

11

Strana od-do

1025-1035

Název nakladatele

Fachverlag Hans Carl

Místo vydání

Nürnberg

Místo konání akce

Venice

Datum konání akce

6. 5. 2007

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

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