A Survey of Total β-glucan Content in Croatian Barley Varieties
Although β-glucans in cereals are desirable as healthy diet components, high levels of β-glucans in malting barley are unacceptable because they can cause unsatisfactory degradation of cell walls during malting. The aim of this study was to investigate the β-glucan content in twelve Croatian and two German barley varieties at three representative locations in Eastern Croatia over three consecutive seasons (2012–2014). Total β-glucan content in barley samples was determined using enzymatic method. Most of the investigated barley varieties had total β-glucan content lower or significantly lower than 4%. Furthermore, a distinct and clear genotype influence was noticed. No significant difference was found between years, but between locations Osijek and Tovarnik.
KeywordsHordeum vulgare brewing feed barley malting barley
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- AOAC International 1995. Official methods of analysis of AOAC International, 16th ed. (Methods 992.28 and 995.16). The Association. Arlington, VA, USA.Google Scholar
- Bamforth, C.W., Gambill, S.C. 2007. Fiber and putative prebiotics in beer. J. Am. Soc. Brew. Chem. 65:67–69.Google Scholar
- Davis, M. 2014. Future of malting barley in North America: Keeping barley competitive with other crops. Master Brewers Association of the Americas, District Northern California & District Southern California Joint Technical Conference, 24–25 October, Paso Robles, CA, USA. (https://doi.org/www.mbaa.com/districts/NorthernCalifornia/Documents/2014%20Joint%20Technical%20Conference/2-1%20M%20Davis%20Future%20of%20Malting%20Barley%20in%20N%20America.pdf, accessed March, 2016)
- Davis, N. 2006. Malt and malt products. In: Bamforth, C.W. (ed.), Brewing –New technologies. Woodhead Publishing Ltd., Cambridge, UK. pp. 68–101.Google Scholar
- EBC 1998. Analytica, 5th ed. (Methods 3.3.1 and 4.16.1), European Brewery Convention. Fachverlag Hans Carl, Nürnberg, Germany.Google Scholar
- Jin, Y. 2002. Effect of β-glucan and environmental factors on the physical and chemical properties of wort and beer. PhD thesis, Dalhousie University, Halifax, Nova Scotia. (http://dalspace.library.dal.ca/handle/10222/55884; accessed 1 March 2016)Google Scholar
- Kovačević, J., Lalić, A., Jurković, Z. 2008. Characterization of winter barley genotypes in Croatian environment. Cereal Res. Commun. 36, S5; Pt. 3:1583–1586.Google Scholar
- Kunze, W. 1996. Technology –Brewing and Malting. 1st international edition. VLB. Berlin, Germany.Google Scholar
- Lehtonen, M., Aikasalo, R. 1987. Beta-glucan in two- and six-rowed barley. Cereal Chem. 64:191–193.Google Scholar
- MEBAK 1997. Brautechnische Analysenmethoden, 3rd ed., vol. I (Method 2.5.7.) (Analytical Methods of Brewing Techniques). Middle European Brewing Analysis Commission (MEBAK), Freising-Weihenstephan, Germany.Google Scholar
- Narziss, L., Miedaner, H., Koch, M. 1989. Examination of volatile substances during malting and originating from thermal loading of the products. Part 2. Influence of the malting and mashing parameters. Monatsschr. Brauwiss. 42:232–242.Google Scholar