About: Red wine as resveratro protectiv system

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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	Práce popisuje průběh izomerace trans-resveratrolu na denním rozptýleném světle v závislosti na teplotě a také charakteru vzorku (typ rozpouštědla, víno ...). Tento efent byl zkoumán pomocí HPLC s elektrochemickou detekcí. Trans-resveratol je velice citlivý na světlo a snadno přechází na cis-formu. Je-li roztok trans-resveratrolu umístěn v temnu, nedochází k izomeraci ani za zvýšené teploty. Vína byla analyzována ihned po otevření , po 48 h a 17 dnech. Koncentrace resveratrolu byla v červených vínech stabilní při 4°C, při pokojové teplotě došlo ke zvýšení obsahu resveratrolu. (cs) The study describes an isomerization of trans -resveratrol exposed to diffused daylight in dependence on temperature and character of liquid sample (type of solvent, wine #).These effects were investigated using the reverse-phase-HPLC method. Trans -resveratrol isoform was light sensitive and under daylight isomerized to cis-form very easily. The exposition of trans -resveratrol solution by higher temperatures did not induce isomerization reaction if that was kept in dark. The wines were analyzed immediately after opening (0 hour), and again after 48 hours and after 17 days. The concentration of resveratrol in tested red wines was stable at 4 °C, under room temperature the total amount of resveratrol in all cases increased. The study describes an isomerization of trans -resveratrol exposed to diffused daylight in dependence on temperature and character of liquid sample (type of solvent, wine #).These effects were investigated using the reverse-phase-HPLC method. Trans -resveratrol isoform was light sensitive and under daylight isomerized to cis-form very easily. The exposition of trans -resveratrol solution by higher temperatures did not induce isomerization reaction if that was kept in dark. The wines were analyzed immediately after opening (0 hour), and again after 48 hours and after 17 days. The concentration of resveratrol in tested red wines was stable at 4 °C, under room temperature the total amount of resveratrol in all cases increased. (en)
Title	Red wine as resveratro protectiv system Red wine as resveratro protectiv system (en) Červené víno jako protektivní systém resveratrolu (cs)
skos:prefLabel	Red wine as resveratro protectiv system Red wine as resveratro protectiv system (en) Červené víno jako protektivní systém resveratrolu (cs)
skos:notation	RIV/60461373:22330/04:00012877!RIV/2005/GA0/223305/N
http://linked.open.../vavai/riv/strany	166-168
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA525/99/1338), Z(MSM 223300004)
http://linked.open...iv/cisloPeriodika	22
http://linked.open...vai/riv/dodaniDat	2005
http://linked.open...aciTvurceVysledku	Kolouchová, Irena Melzoch, Karel Zámostný, Petr Siříšťová, Lucie Bělohlav, Zdeněk
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	Vysoká škola chemicko-technologická v Praze / Fakulta potravinářské a biochemické technologie
http://linked.open...dnocenehoVysledku	583886
http://linked.open...ai/riv/idVysledku	RIV/60461373:22330/04:00012877
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Resveratrol;Vitis vinifera;red wine;antioxidants;polyphenols (en)
http://linked.open.../riv/klicoveSlovo	Vitis vinifera antioxidants Resveratrol polyphenols red wine
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[1D7DA2F9EA2C]
http://linked.open...i/riv/nazevZdroje	Czech Journal of Food Science
http://linked.open...in/vavai/riv/obor	EI
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Resveratrol as biological active compound and its significance for human health
http://linked.open...UplatneniVysledku	2004
http://linked.open...v/svazekPeriodika	22
http://linked.open...iv/tvurceVysledku	Kolouchová, Irena Melzoch, Karel Zámostný, Petr Siříšťová, Lucie Bělohlav, Zdeněk
http://linked.open...n/vavai/riv/zamer	http://linked.opendata.cz/resource/domain/vavai/zamer/MSM%20223300004
issn	1212-1800
number of pages	3 (xsd:int)
http://localhost/t...ganizacniJednotka	22330

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