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Statements

Subject Item
n2:RIV%2F62156489%3A43510%2F04%3A00003696%21RIV%2F2005%2FGA0%2F435105%2FN
rdf:type
skos:Concept n14:Vysledek
dcterms:description
In the frame of the research project dealing with the investigation of the influence of grapevine technology processing on content of chemoprotective polyphenolic substances in wine, the distribution of resveratrol and other phenolic compounds in the berries and stems of the Saint Laurent red vine variety, which is the most spread variety for the production of the red wines in the Czech Republic, have been studied. The samples were extracted with the methanol/water mixture. The content of resveratrol, gallic acid, catechin and epicatechin were analysed by HPLC with DAD detector in the raw berries and in the raw stems. It was found that in the berries ca. 9 mg/kg of the resveratrol as a maximum is present based on the raw material, while the content of resveratrol and other phenolic compounds in the stems is higher. The content of resveratrol in the stems is even more than one order of magnitude higher than in the berries and it reached ca. 500 mg/kg based on the raw material. The content of catechin i In the frame of the research project dealing with the investigation of the influence of grapevine technology processing on content of chemoprotective polyphenolic substances in wine, the distribution of resveratrol and other phenolic compounds in the berries and stems of the Saint Laurent red vine variety, which is the most spread variety for the production of the red wines in the Czech Republic, have been studied. The samples were extracted with the methanol/water mixture. The content of resveratrol, gallic acid, catechin and epicatechin were analysed by HPLC with DAD detector in the raw berries and in the raw stems. It was found that in the berries ca. 9 mg/kg of the resveratrol as a maximum is present based on the raw material, while the content of resveratrol and other phenolic compounds in the stems is higher. The content of resveratrol in the stems is even more than one order of magnitude higher than in the berries and it reached ca. 500 mg/kg based on the raw material. The content of catechin i V rámci výzkumného projektu, který sleduje vliv suroviny a technologie zpracování na obsah zdravotně prospěšných polyfenolických látek v révových vínech byla sledována distribuce resveratrolu a dalších fenolických látek v bobulích a třapinách révy vinné odrůdy Svatovavřinecké, která je nejrozšířenější odrůdou pro výrobu červených vín v České republice. Vzorky byly extrahovány vodným methanolem. Pomocí vysoce účinné kapalinové chromatografie s DAD detektorem byl sledován v bobulích a třapinách obsah resveratrolu, kyseliny gallové, katechinu a epikatechinu. Bylo zjištěno, že v bobulích je přítomno max. cca 9 mg/kg resveratrolu vztaženo na čerstvý materiál, zatímco v třapinách je obsah resveratrolu a dalších fenolických látek vyšší. Obsah resveratrolu v třapinách je dokonce více než řádově vyšší a dosahuje hodnoty cca 500 mg/kg čerstvého materiálu. Obsah katechinu v třapinách je také cca řádově vyšší než v bobulích a cca 5 x vyšší než obsah epikatechinu. Bobule napadené plísní Botrytis cinerea vykazují v
dcterms:title
The distribution of resveratrol and other phenolic coumponds in the berries and stems of the red vine. The distribution of resveratrol and other phenolic coumponds in the berries and stems of the red vine. Distribuce resveratrolu a dalších fenolických látek v bobulích a třapinách révy vinné
skos:prefLabel
Distribuce resveratrolu a dalších fenolických látek v bobulích a třapinách révy vinné The distribution of resveratrol and other phenolic coumponds in the berries and stems of the red vine. The distribution of resveratrol and other phenolic coumponds in the berries and stems of the red vine.
skos:notation
RIV/62156489:43510/04:00003696!RIV/2005/GA0/435105/N
n3:strany
174;175
n3:aktivita
n10:P
n3:aktivity
P(GP525/03/P132)
n3:dodaniDat
n15:2005
n3:domaciTvurceVysledku
n12:1231154 n12:6558127 n12:9867546
n3:druhVysledku
n17:D
n3:duvernostUdaju
n5:S
n3:entitaPredkladatele
n19:predkladatel
n3:idSjednocenehoVysledku
560889
n3:idVysledku
RIV/62156489:43510/04:00003696
n3:jazykVysledku
n16:eng
n3:klicovaSlova
Botrytis cinerea;berries;grapes;phenolic compounds;resveratrol;stems
n3:klicoveSlovo
n6:stems n6:phenolic%20compounds n6:grapes n6:berries n6:Botrytis%20cinerea n6:resveratrol
n3:kontrolniKodProRIV
[EB2663EC18B5]
n3:mistoVydani
Neuveden
n3:nazevZdroje
Proceedings of XXVIII th World Congress of Vine and Wine, 4-9 July, Wien, Austria.
n3:obor
n4:GM
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
7
n3:projekt
n13:GP525%2F03%2FP132
n3:rokUplatneniVysledku
n15:2004
n3:tvurceVysledku
Balík, Josef Tříska, Jan Totušek, Jiří Vrchotová, Naděžda Lefnerová, Danuše Veverka, Jaromír Kyseláková, Marie
s:numberOfPages
2
n18:hasPublisher
Neuveden
n8:organizacniJednotka
43510