2015
DOI: 10.18832/kp2015027
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The Proanthocyanidin Profile in Beer and Its Raw Materials

Abstract: ProfilproanthokyanidinůvpivuajehosurovináchKlíčová slova : proanthokyanidiny,pivo,slad,chmel,vysokoúčinná kapalinováchromatografie,hmotnostníspektrometriesvysokým rozlišením ■ ■ 1 ÚVOD Polyfenoly, sekundární metabolity produkované zejména rostlinami, jsou velkou a různorodou skupinou sloučenin, která obsahuje přes 8000 dosud popsaných sloučenin. (Haslam et al., 1994). Proanthokyanidiny, známé také jako kondenzované taniny neboli třísloviny, jsou v přírodě po ligninu druhou nejrozšířenější skupinou polyfen… Show more

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Cited by 5 publications
(2 citation statements)
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“…In that study the identification of hop varieties based on the specificity of groups of proanthocyanidins was performed using 50 hop samples from the 2014 crop. Five varieties (Saaz, Sladek, Premiant, Kazbek and Agnus) were clearly distinguished based on the proanthocyanidin profiles, which even correlated to their genetic relatedness [26].…”
Section: Et Al 2006mentioning
confidence: 97%
“…In that study the identification of hop varieties based on the specificity of groups of proanthocyanidins was performed using 50 hop samples from the 2014 crop. Five varieties (Saaz, Sladek, Premiant, Kazbek and Agnus) were clearly distinguished based on the proanthocyanidin profiles, which even correlated to their genetic relatedness [26].…”
Section: Et Al 2006mentioning
confidence: 97%
“…As the monomeric polyphenols in beer usually oxidize and polymerize [ 124 ], they form bigger particles that have more moieties that can bind to haze-active proteins. Approximately 70–80% of the polyphenols in beer are derived from malt, with the rest from hops [ 131 , 134 ]. However, in craft beers, where very high doses of hops are used, this ratio can shift.…”
Section: Problemsmentioning
confidence: 99%