Influence of barley variety and growing locality on the profile of flavonoid polyphenols in malt

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60193697%3A_____%2F19%3AN0000018" target="_blank" >RIV/60193697:_____/19:N0000018 - isvavai.cz</a>
Result on the web
<a href="http://www.kvasnyprumysl.eu/index.php/kp/article/view/181" target="_blank" >http://www.kvasnyprumysl.eu/index.php/kp/article/view/181</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.18832/kp2019.65.149" target="_blank" >10.18832/kp2019.65.149</a>

Result language
angličtina
Original language name
Influence of barley variety and growing locality on the profile of flavonoid polyphenols in malt
Original language description
Some polyphenol substances are important for beer production as well as for the health benefits of beer consumption. Hop polyphenols have been relatively well researched in the last decade, less attention has been paid to malt. Our study was aimed to determine the influence of the barley variety and growing locality on the profile of proanthocyanidins (PAC), monomeric flavanols, flavonols and their glycosides in malt. Laboratory malts from three barley cultivars grown in seven countries of the European Union were analyzed by the developed LC-HR / MS method with sample preparation by the QuEChERS technique. Dimers of (epi)catechin (37.0%) and dimers (epi)catechin – (epi)gallocatechin (36.4%) dominate the PAC profile of malt, monomer content being low. Flavanols (epi)catechin and (epi)catechin-O-glucoside have been identified and quantified in malts. The flavonols were quercetin and myricetin, their glycosides were not detected. The results suggest varietal dependence of the PAC, monomeric flavanols and flavonols profile and the lesser impact of the growing locality.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
40401 - Agricultural biotechnology and food biotechnology

Project
<a href="/en/project/LO1312" target="_blank" >LO1312: Sensory Research Centre in Prague and Brewhouse for research and development - sustainability and development</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2019
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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