2010
DOI: 10.18832/kp2010035
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Impact of hop raw material type on antioxidant behaviour of beer.

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Cited by 6 publications
(8 citation statements)
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“…Other authors have found a clear relationship between antioxidative properties of intermediates of beer production and formation of stale flavour carbonyls and the sensorial stability of beer 4,13,16,22,23,26,27,40,41 . The aim of this study was to obtain more information on the impact of hop polyphenols and phenolic compounds on antioxidant activity and carbonyl formation in fresh and stored beer.…”
Section: Introductionmentioning
confidence: 88%
See 1 more Smart Citation
“…Other authors have found a clear relationship between antioxidative properties of intermediates of beer production and formation of stale flavour carbonyls and the sensorial stability of beer 4,13,16,22,23,26,27,40,41 . The aim of this study was to obtain more information on the impact of hop polyphenols and phenolic compounds on antioxidant activity and carbonyl formation in fresh and stored beer.…”
Section: Introductionmentioning
confidence: 88%
“…Hop alpha bitter acids also exhibit weak antioxidant activity 22,24 . Polyphenol substances of malt 7,16,25,27,28,32 and hops 13,22,26,27 affect antioxidant activity and thus, potentially, sensorial stability of beer. Literature-based data suggest that approximately 70 to 80% of beer polyphenols have their origin in malt, 20 to 30% are hop polyphenols 12 , and that the proportion of hop polyphenols is probably higher 26 if aroma hops rich in polyphenols have been used.…”
Section: Introductionmentioning
confidence: 99%
“…They concluded that the content of simple polyphenols in beers varies considerably and, unfortunately, they did not find any relationship with, e.g., the degree of attenuation, the content of total polyphenols or the content of anthocyanogens. Mikyška et al (2010) studied the antioxidative activity, content and composition of polyphenol compounds in malts prepared from a set of six barley varieties recommended for the production of the Czech beer and collected from four localities (experimental stations). In laboratory worts prepared by a standardised process, they determined the content of polyphenol compounds, reductive capacity by the procedure using 2,6-dichlorophenolindophenol (RC-DCPI) (Brautechnische Analysenmethoden 1987), and antiradical activity using the radical 1,1-diphenyl-2-picrylhydrazyl (ESR-DPPH) (Jurková et al 2011).…”
Section: Advanced Studies Of Chemical Profile Of the Czech Beermentioning
confidence: 99%
“…Hop polyphenols affect antioxidant activity of beer. Apparent relationship between aldehydes formation and sensorial stability of beers was demonstrated by some autors (Boivin 2008, Dostálek, Karabín 2007, Mikyška et al 2011, Mikyška et al 2010, Forster 2007. Use of hops significantly reduces formation of Strecker aldehydes during storage of beer compared to a beer brewed without hops (Methner et al 2007).…”
Section: Analýzymentioning
confidence: 97%
“…Obsah celkových polyfenolů ve chmelu je přibližně 2 až 6 %, množství a složení polyfenolových látek závisí na odrůdě chmele (Lermusieau et al 2001, Mikyška et al 2008, Forster et al 2002. Polyfenolové látky chmele ovlivňují antioxidační aktivitu piva, někte-rými autory byl prokázán i jasný vztah k tvorbě aldehydů staré chuti a senzorické stabilitě piva (Boivin 2008, Dostálek, Karabín 2007, Mikyška et al 2011, Mikyška et al 2010, Forster 2007. Použití chmele významně snižuje tvorbu Streckerových aldehydů v průběhu skladování piva v porovnání s pivem uvařeným bez chmele (Methner et al 2007).…”
Section: Abstract: Antioxidants Hop Storage Polyphenols Beer Flavunclassified