The impact of the different varietal groups of barley on the degree of decomposition ß-glucans during malting

التفاصيل البيبلوغرافية
العنوان: The impact of the different varietal groups of barley on the degree of decomposition ß-glucans during malting
المؤلفون: Buljeta, Ivana
المساهمون: Mastanjević, Kristina, Horvat, Daniela
بيانات النشر: Sveučilište Josipa Jurja Strossmayera u Osijeku. Prehrambeno-tehnološki fakultet Osijek. Zavod za procesno inženjerstvo. Katedra za bioprocesno inženjerstvo., 2018.
سنة النشر: 2018
مصطلحات موضوعية: sorte ječma, mikroslađenje, barley varieties, ß-glukan, micro-malting, BIOTEHNIČKE ZNANOSTI. Prehrambena tehnologija, BIOTECHNICAL SCIENCES. Food Technology, ß-glucan
الوصف: U radu je je određena koncentracija ß-glukana u uzorcima ječma, slada i sladovine, te viskoznost sladovine. Ukupno je laboratorijski analizirano 25 uzoraka ječma. Uzorci ječma su postupkom mikroslađenja prevedeni u slad, a nakon toga kongresnom metodom ukomljavanja od slada je dobivena sladovina. Zbog problema uzrokovanih ß-glukanima u proizvodnji piva, potrebno je ustanoviti promjenu koncentracije ß-glukana tijekom slađenja. Pivarska sorta jarog ječma Pivarac je pokazala značajno smanjenje koncentracije ß-glukana nakon slađenja. Sve jare sorte (osim sorte Matej) i kontrolne sorte daju sladovine s preporučenom koncentracijom ß-glukana (220 mg/L). Vrijednosti koncentracije ß-glukana u sladovini ozimih sorti su veće od preporučenih. Najmanje vrijednosti viskoznosti sladovine su uočene kod kontrolnih sorti Tiffany i Vanessa, te kod pivarske sorte Pivarac. This paper investigated the concentration of ß-glucans in barley samples, malt and wort, and the viscositiy of wort. A total of 25 samples of barley have been analysed in the laboratory. Barley samples have been micro-malted, and after that congress method of mashing has been applied on all of the samples. Due to the problems caused by ß-glucans in the production of beer, it is necessary to determine the change of ß-glucans concentrations during malting and brewing. Brewing variety „Pivarac“ has showed a significant reduction in ß-glucans concentration after malting. All of the spring varieties (except „Matej“) and control variety gave worts with recommended or little less under recommended concentrations of ß-glucans (220 g/ml). On the other hand the values of ß-glucans concentrations in winter cultivars were higher than recommended. Tiffany, Vanessa and brewing variety Pivarac showed the lowest viscosity value for wort.
وصف الملف: application/pdf
اللغة: Croatian
URL الوصول: https://explore.openaire.eu/search/publication?articleId=od______4102::5d47e21ebc3408c2457d038e7bd72732
https://repozitorij.ptfos.hr/islandora/object/ptfos:1391/datastream/PDF
حقوق: OPEN
رقم الأكسشن: edsair.od......4102..5d47e21ebc3408c2457d038e7bd72732
قاعدة البيانات: OpenAIRE