About: DETERMINATION OF POLYPHENOLS IN WORTS AND BEER BY HPLC-UV

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The aim of the present work is to characterize worts and beer polyphenols quantitatively and qualitatively in order to monitor the effects of technologies in the brewing process. In this work, samples were taken at various stages during the brewing process. The total polyphenol content was measured by applying the Folin-Ciocalteu method on the spectral colorimeter ?Spekol 11?. The analysis of individual polyphenols was carried out by using high pressure liquid chromatography (HPLC) with ultraviolet (UV) detector. When comparing the total polyphenol value measured by Folin-Ciocalteu method (ranging from 145 to 185 mg/L in the intermediates) with the total polyphenol value calculated as the sum of the individual polyphenols measured by HPLC-UV (ranging from 24.8 to 32.3 mg/L in the intermediates), the latter appeared to be inferior. The combination of these methods allows the determination of the concentration of each separated constituents, despite the absence of available standards. The aim of the present work is to characterize worts and beer polyphenols quantitatively and qualitatively in order to monitor the effects of technologies in the brewing process. In this work, samples were taken at various stages during the brewing process. The total polyphenol content was measured by applying the Folin-Ciocalteu method on the spectral colorimeter ?Spekol 11?. The analysis of individual polyphenols was carried out by using high pressure liquid chromatography (HPLC) with ultraviolet (UV) detector. When comparing the total polyphenol value measured by Folin-Ciocalteu method (ranging from 145 to 185 mg/L in the intermediates) with the total polyphenol value calculated as the sum of the individual polyphenols measured by HPLC-UV (ranging from 24.8 to 32.3 mg/L in the intermediates), the latter appeared to be inferior. The combination of these methods allows the determination of the concentration of each separated constituents, despite the absence of available standards. (en)
Title	DETERMINATION OF POLYPHENOLS IN WORTS AND BEER BY HPLC-UV DETERMINATION OF POLYPHENOLS IN WORTS AND BEER BY HPLC-UV (en)
skos:prefLabel	DETERMINATION OF POLYPHENOLS IN WORTS AND BEER BY HPLC-UV DETERMINATION OF POLYPHENOLS IN WORTS AND BEER BY HPLC-UV (en)
skos:notation	RIV/70883521:28110/10:63509452!RIV11-MSM-28110___
http://linked.open...avai/riv/aktivita	I Z
http://linked.open...avai/riv/aktivity	I, Z(MSM7088352101)
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Kubáň, Vlastimil Valášek, Pavel Hoza, Ignác Ganbaatar, Chunsrijmytay
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Tomáše Bati ve Zlíně / Fakulta technologická
http://linked.open...dnocenehoVysledku	253790
http://linked.open...ai/riv/idVysledku	RIV/70883521:28110/10:63509452
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	malt worts; beer; polyphenols; spectrometry; HPLC; UV detector; ferulic acid (en)
http://linked.open.../riv/klicoveSlovo	spectrometry beer UV detector HPLC polyphenols ferulic acid malt worts
http://linked.open...ontrolniKodProRIV	[2D5CC685CDB2]
http://linked.open...v/mistoKonaniAkce	Nitra
http://linked.open...i/riv/mistoVydani	Nitra
http://linked.open...i/riv/nazevZdroje	Bezpečnosť a kontrola potravín (Zborník prác z medzinárodnej vedeckej konferencie)
http://linked.open...in/vavai/riv/obor	GM
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...UplatneniVysledku	2010
http://linked.open...iv/tvurceVysledku	Kubáň, Vlastimil Valášek, Pavel Ganbaatar, Chunsrijmytay Hoza, Ignác Tobiáš, Miroslav
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2010-01-01 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Multifunctional Composite Systems Based on Natural and Synthetic Polymers
number of pages	5 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Slovenská poľnohospodárska univerzita v Nitre
https://schema.org/isbn	978-80-552-0350-8
http://localhost/t...ganizacniJednotka	28110

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