About: Hops - an abundant source of antioxidants. Methods to assessment of antioxidant activity of hop matrix

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About: Hops - an abundant source of antioxidants. Methods to assessment of antioxidant activity of hop matrix Goto Sponge NotDistinct Permalink

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

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.kvasnyprumysl.cz/cz/journal/2011/10/
Description	The contribution of individual hop compounds to the total antioxidant activity was studied by HPLC method with CoulArray detection in broad scale of the potentials 250–900 mV. The compounds with the same electrochemical manners as epicatechin and catechin and oligomeric proanthocyanogens (OPCs) related to catechin were distinguished from the other compounds according to their electrochemical responses on lower potential (500 mV). The total content of these OPCs including catechin and epicatechin was determined as an equivalent of concentration of the catechin used as an external standard. The results were correlated partly with the results obtained by using of the group analysis for determination of the total polyphenol and for the determination of the anthocyanogens, partly with results obtained by using of the modern method electron spin resonance (ESR) for determination of the antioxidant activity. The contribution of individual hop compounds to the total antioxidant activity was studied by HPLC method with CoulArray detection in broad scale of the potentials 250–900 mV. The compounds with the same electrochemical manners as epicatechin and catechin and oligomeric proanthocyanogens (OPCs) related to catechin were distinguished from the other compounds according to their electrochemical responses on lower potential (500 mV). The total content of these OPCs including catechin and epicatechin was determined as an equivalent of concentration of the catechin used as an external standard. The results were correlated partly with the results obtained by using of the group analysis for determination of the total polyphenol and for the determination of the anthocyanogens, partly with results obtained by using of the modern method electron spin resonance (ESR) for determination of the antioxidant activity. (en)
Title	Hops - an abundant source of antioxidants. Methods to assessment of antioxidant activity of hop matrix Hops - an abundant source of antioxidants. Methods to assessment of antioxidant activity of hop matrix (en)
skos:prefLabel	Hops - an abundant source of antioxidants. Methods to assessment of antioxidant activity of hop matrix Hops - an abundant source of antioxidants. Methods to assessment of antioxidant activity of hop matrix (en)
skos:notation	RIV/60193697:_____/11:#0000633!RIV12-MSM-60193697
http://linked.open...avai/predkladatel	Výzkumný ústav pivovarský a sladařský, a.s.
http://linked.open...avai/riv/aktivita	I Z
http://linked.open...avai/riv/aktivity	I, Z(MSM6019369701)
http://linked.open...iv/cisloPeriodika	10
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Čejka, Pavel Dvořák, Josef Kellner, Vladimír Jurková, Marie Hašková, Danuša Horák, Tomáš Čulík, Jiří
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Výzkumný ústav pivovarský a sladařský, a.s.
http://linked.open...dnocenehoVysledku	202694
http://linked.open...ai/riv/idVysledku	RIV/60193697:_____/11:#0000633
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	oligomeric proanthocyanogens (OPCs); HPLC-CoulArray; ESR – DPPH (en)
http://linked.open.../riv/klicoveSlovo	ESR – DPPH HPLC-CoulArray oligomeric proanthocyanogens (OPCs)
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[2747649B2E8A]
http://linked.open...i/riv/nazevZdroje	Kvasný průmysl
http://linked.open...in/vavai/riv/obor	CB
http://linked.open...ichTvurcuVysledku	7 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	57
http://linked.open...iv/tvurceVysledku	Dvořák, Josef Horák, Tomáš Kellner, Vladimír Čejka, Pavel Hašková, Danuša Jurková, Marie Čulík, Jiří
http://linked.open...n/vavai/riv/zamer	Research of malting and brewing raw materials and technologies
issn	0023-5830
number of pages	5 (xsd:int)
is http://linked.open...avai/riv/vysledek of	Hops - an abundant source of antioxidants. Methods to assessment of antioxidant activity of hop matrix Hops - an abundant source of antioxidants. Methods to assessment of antioxidant activity of hop matrix

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