A Comparison of Czech and Chinese Varieties of Barley with Regards to Technologically Important Polyphenols Substances

Marcel KARABIN; Stepan HALAMA; Lukas JELINEK; Deliang WANG; Pavel DOSTALEK

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A Comparison of Czech and Chinese Varieties of Barley with Regards to Technologically Important Polyphenols Substances

机译：捷克和中国大麦品种在技术上重要的多酚类物质的比较

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摘要

The aim of this study was to find differences in the quantity and presence of selected polyphenolic substances in barley grown in the Czech Republic and in the People's Republic of China. The barley samples from China had a higher total amount of the polyphenols studied and a significantly higher amount of some specific groups of polyphenols. The most distinct differences were the significantly higher amount of procyanidin B3 and catechin in the free fractions (almost double) and of p-coumaric and ferulic acids in the bound fractions. Therefore, the specific conditions of cultivation's well as dissimilarity of barley varieties could be the source of the technologically significant differences that could have an impact on the beer quality.

机译：本研究的目的是发现捷克共和国和中华人民共和国种植的大麦中所选多酚类物质的数量和存在的差异。来自中国的大麦样品中所研究的多酚总量较高，而某些特定组的多酚含量明显较高。最明显的区别是游离级分（几乎是两倍）中原花青素B3和儿茶素的含量明显较高，结合级分中的对香豆酸和阿魏酸的含量则明显更高。因此，栽培条件的特殊性以及大麦品种的不同可能是造成技术重大差异的原因，这些差异可能会影响啤酒的质量。

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《Kvasny prumysl》 |2013年第12期|346-351|共6页
作者
Marcel KARABIN; Stepan HALAMA; Lukas JELINEK; Deliang WANG; Pavel DOSTALEK;
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Department of Biotechnology, Institute of Chemical Technology Prague, Technická 5, Praha 6, 166 28, Czech Republic;

Department of Biotechnology, Institute of Chemical Technology Prague, Technická 5, Praha 6, 166 28, Czech Republic;

Department of Biotechnology, Institute of Chemical Technology Prague, Technická 5, Praha 6, 166 28, Czech Republic;

Department of Biotechnology, Institute of Chemical Technology Prague, Technická 5, Praha 6, 166 28, Czech Republic,China National Institute of Food and Fermentation Industries, Beijing, China;

Department of Biotechnology, Institute of Chemical Technology Prague, Technická 5, Praha 6, 166 28, Czech Republic;

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A Comparison of Czech and Chinese Varieties of Barley with Regards to Technologically Important Polyphenols Substances

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