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G. Šimić Agricultural Institute Osijek Južno predgrađe 17 31000 Osijek Croatia

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R. Sudar Agricultural Institute Osijek Južno predgrađe 17 31000 Osijek Croatia

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A. Lalić Agricultural Institute Osijek Južno predgrađe 17 31000 Osijek Croatia

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Z. Jurković Agricultural Institute Osijek Južno predgrađe 17 31000 Osijek Croatia

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D. Horvat Agricultural Institute Osijek Južno predgrađe 17 31000 Osijek Croatia

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D. Babić Agricultural Institute Osijek Južno predgrađe 17 31000 Osijek Croatia

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The hordein proteins of ten barley ( Hordeum vulgare L.) cultivars grown in region of eastern Croatia were studied for their contribution to the malting quality, particularly relating hordein influence on malt extract yield. The analysis of hordein proteins was carried out by reversed-phase high-performance liquid chromatography (RP-HPLC). The micromalting of investigated barley cultivars and malt analyses were done according to the EBC official methods. The quantitative analysis of hordein proteins has showed that B-hordein was major component, followed by C- and D-hordeins. Among investigated cultivars the malt extract yield varied from 76.8% (cv. Angora) to 82.6% (cv. Scarlett). Spring barleys had on the average higher malt extract yield in contrast to winter barleys. The significant negative correlation between the total hordein content and malt extract yield was found. Among hordein fractions the B-hordein and D-hordein significantly contributed to lower malt extract yield. RP-HPLC analysis of malt hordeins revealed that the amount of hordein degraded during malting significantly correlated with Kolbach index.

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Cereal Research Communications
Language English
Size A4
Year of
Foundation
1973
Volumes
per Year
1
Issues
per Year
4
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0133-3720 (Print)
ISSN 1788-9170 (Online)