About: Impact of hop pellets storage on beer quality

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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)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.kvasnyprumysl.cz/en/journal/2012/5/
Description	Experimental brews (50 L) of 12% all-malt pale lager beers were hopped either by fresh hops or by hop pellets stored in original packs at 20 oC for one year. Saaz and Premiant varieties were used. At the same dose of alpha acids, the beers hopped by aged hops had 2 B.U lower bitterness. Decreases of bitterness during beer storage were comparable. Carbonyl compounds content in both fresh beers and beers after 6 months storage depended on hop age. Beers from aged hops had higher content of Strecker aldehydes when fresh and higher increase of fatty acid carbonyls during storage. Both fresh and stored beers hopped by fresh hops scored marginally better in overall assessment compared to the beers hopped by old hops. Shelf life of beers hopped by fresh hops was markedly prolonged in comparison to aged hop application. Experimental brews (50 L) of 12% all-malt pale lager beers were hopped either by fresh hops or by hop pellets stored in original packs at 20 oC for one year. Saaz and Premiant varieties were used. At the same dose of alpha acids, the beers hopped by aged hops had 2 B.U lower bitterness. Decreases of bitterness during beer storage were comparable. Carbonyl compounds content in both fresh beers and beers after 6 months storage depended on hop age. Beers from aged hops had higher content of Strecker aldehydes when fresh and higher increase of fatty acid carbonyls during storage. Both fresh and stored beers hopped by fresh hops scored marginally better in overall assessment compared to the beers hopped by old hops. Shelf life of beers hopped by fresh hops was markedly prolonged in comparison to aged hop application. (en)
Title	Impact of hop pellets storage on beer quality Impact of hop pellets storage on beer quality (en)
skos:prefLabel	Impact of hop pellets storage on beer quality Impact of hop pellets storage on beer quality (en)
skos:notation	RIV/60193697:_____/12:#0000694!RIV13-MZE-60193697
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(QI91B227), Z(MSM6019369701)
http://linked.open...iv/cisloPeriodika	5
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Čejka, Pavel Hašková, Danuša Čulík, Jiří Mikyška, Alexandr
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	140630
http://linked.open...ai/riv/idVysledku	RIV/60193697:_____/12:#0000694
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	antioxidants; hop storage; polyphenols; beer; flavor stability (en)
http://linked.open.../riv/klicoveSlovo	antioxidants beer hop storage polyphenols flavor stability
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[EFF0CC1A86A8]
http://linked.open...i/riv/nazevZdroje	Kvasný průmysl
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...vavai/riv/projekt	Significance of hop beta acids for Czech beers
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	58
http://linked.open...iv/tvurceVysledku	Čejka, Pavel Hašková, Danuša Čulík, Jiří Krofta, K. Mikyška, Alexandr
http://linked.open...n/vavai/riv/zamer	Research of malting and brewing raw materials and technologies
issn	0023-5830
number of pages	7 (xsd:int)

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