Pilot brewery tests of Czech flavour hop varieties registered in 2022

Authors

  • Alexandr Mikyška Research Institute of Brewing and Malting, Lípová 511/15, 120 00 Prague 2, Czech Republic
  • Martin Slabý Research Institute of Brewing and Malting, Lípová 511/15, 120 00 Prague 2, Czech Republic
  • Marie Jurková Research Institute of Brewing and Malting, Lípová 511/15, 120 00 Prague 2, Czech Republic
  • Karel Štěrba Research Institute of Brewing and Malting, Lípová 511/15, 120 00 Prague 2, Czech Republic
  • Vladimír Nesvadba Research Institute of Brewing and Malting, Lípová 511/15, 120 00 Prague 2, Czech Republic
  • Jitka Charvátová Research Institute of Brewing and Malting, Lípová 511/15, 120 00 Prague 2, Czech Republic

DOI:

https://doi.org/10.18832/kp2022.68.619

Keywords:

hop varieties, dry hopping, beer sensory profile, hop volatiles

Abstract

Seven new Czech “flavour hop” varieties were tested in pilot brewing trials (50 l), in which samples of Ale-style beer were prepared using dry hopping. Essential oils in the beer were determined by fluidized-bed extraction combined with gas chromatography–mass spectrometry. Hop-derived aromas in beer were evaluated by descriptive method. Comparison of terpene essential oils in samples showed differences between hop genotypes and only a partial relationship with the sensory profile of beer. A cluster analysis of hop aromas in beer revealed the relationship between the pairs of Saturn and Pluto; N and Eris; Ceres and Jupiter hop varieties. The submitted results present the sensory properties of these new varieties and are useful for further study of the relationship between chemical and sensory profile of dry hopped beers.

References

Algazzali, V., Shellhammer, T. (2016). Bitterness Intensity of oxidized hop acids: Humulinones and hulupones. Journal of the American Society of Brewing Chemists, 74(1), 36–43. https://doi.org/10.1094/ASBCJ-2016-1130-01

Almaguer, C., Schönberger, C., Gastl, M., Arendt, E. K., Becker, T. (2014). Humulus lupulus: A story that begs to be told. A review. Journal of the Institute of Brewing, 120, 289-314. https://doi.org/10.1002/jib.160

Analytica EBC (2010). European Brewery Convention, Carl-Hans Verlag, Nürenberg.

Bandelt Riess, P.M., Engstle, J., Forst, P. (2020). Characterisation of hop particle separation for efficient dry hopping. Brauwelt International, 38(1), 15–20.

CISTA (2022). Plant Variety Rights & National List Database. Central Institute for Supervising and Testing in Agriculture [online]. Retrieved from https://eagri.cz/public/app/sok/odrudyNouRL.do [2022-07-27]

Dresel, M., Praet, T., Van Opstaele, F., Van Holle, A., Naudts, D., De Keukeleire, D., De Cooman, L., Aerts, G. (2015). Comparison of the analytical profiles of volatiles in single-hopped worts and beers as a function of the hop variety. Brewing Science, 68(1/2), 8–28.

Dušek, M., Olšovská, J., Krofta, K., Jurková, M., Mikyška, A. (2014). Qualitative determination of β acids and their transformation products in beer and hop using HR/AM-LC-MS/MS. Journal of Agricultural and Food Chemistry, 62(31), 7690−7697. https://doi.org/10.1021/jf501852r

Forster, A., Gahr, A. (2013). On the fate of certain hop substances during dry hopping. Brewing Science, 66(7/8), 93–103.

Fritsch, H. T., Schieberle, P. (2003). Changes in key aroma compounds during boiling of unhopped and hopped wort. In: Proceedings of the 29th EBC Congress 2003, Ireland, Dublin, Fachverlag Hans Carl, Nürnberg, CD-ROM.

Goiris, K., Jaskula-Goiris, B., Syryn, E., Van Opstaele, F., De Rouck, G., Aerts, G., De Cooman, L. (2014). The flavoring potential of hop polyphenols in beer. Journal of the American Society of Brewing Chemists, 72, 135-142. https://doi.org/10.1094/ASBCJ-2014-0327-01

Hanke, S., Schüll F., Seigner, E., Engelhard, B., Lutz, A. (2015). Systematic brewing trials for evaluation and selection of new German hop breeding lines and future hop varieties. In: Proceedings of the 35th EBC Congress 24-28 May 2015, Porto, Portugal. L49.

Haslbeck, K., Bub, S., Schönberger, C., Zarnkow, M., Jacob, F., Coelhan, M. (2017). On the fate of β-myrcene during fermentation – The role of stripping and uptake of hop oil com-ponents by brewer's yeast in dry-hopped wort and beer. Brewing Science, 70(11/12), 159–169.

Hauser, D.G., Lafontaine, S.R., Shellhammer, T.H. (2019). Extraction efficiency of dry-hopping. Journal of the American Society of Brewing Chemists, 77(3), 188–198. https://doi.org/10.1080/03610470.2019.1617622

Hauser, D.G., Van Simaeys, K.R., Lafontaine, S.R., Shellhammer T.H. (2019a). A comparison of single-stage and two-stage dry-hopping regimes. Journal of the American Society of Brewing Chemists, 77(4), 251–260. https://doi.org/10.1080/03610470.2019.1668230

He, Y., Dong, J., Yin, H., Zhao, Y., Chen, R., Wan, X., Chen, P., Hou, X., Liu, J., Chen, L. (2014). Wort composition and its impact on the flavour-active higher alcohol and ester formation of beer: A review. Journal of the Institute of Brewing, 120(3), 157–163. https://doi.org/10.1002/jib.145

Inui, T., Tsuchiya, F., Ishimaru, M., Oka, K., and Komura, H. (2013). Different beers with different hops. Relevant compounds for their aroma characteristics. Journal of Agricultural and Food Chemistry, 61, 4758−4764. https://doi.org/10.1021/jf3053737

Jaskula, B., Aerts, G., De Cooman, L. (2010). Hop α-acids isomerization and utilization: An experimental review. Cerevisia, 35(3), 57–70. https://doi.org/10.1016/j.cervis.2010.09.004

Kaltner, D., Mitter, W. (2009). Changes in hop derived compounds during beer production and ageing. In: Shellhammer, T.H. (Ed.) Hop Flavour and Aroma: proceedings of the 1st International Brewers Symposium. Master Brewers Association of the Americas, St. Paul, Minnesota, pp. 37–46.

Kishimoto, T., Wanikawa, A., Kono, K., Shibata, K. (2006). Comparison of the odor-active compounds in unhopped beer and beers hopped with different hop varieties. Journal of Agricultural and Food Chemistry, 54(23), 8855–8861. https://doi.org/10.1021/jf061342c

Krofta, K., Hervert, J., Mikyška, A., Dušek, M. (2019). Hop beta acids – from cones to beer. Proceedings of IV International Humulus Symposium, Yakima, Washington (USA) 2015. ED International Society for Horticultural Science, Leuven, Belgium 2019. ISBN 9789462612341, https://doi.org/10.17660/ActaHortic.2019.1236.3

Krofta, K., Patzak, J., Sedlák, T., Mikyška, A., Štěrba, K., Jurková, M. (2019a). Kazbek – The first Czech aroma hops. Kvasny Prumysl, 65(2), 72–83. https://doi.org/10.18832/kp2019.65.72

Mikyška, A., Olšovská, J., Slabý, M., Pavlovič, M., Čejka, P., Krofta, K. (2015). A new approach to sensory evaluation of beer bitterness (poster). Belgian Brewing Conference Chair J. De Clerck XV, KU Leuven, Book of abstracts, p. P02, September 6–8, 2015.

Mitter, W., Biendl, M., Kaltner, D. (2001). Behavior of hop-derived aroma substances during wort boiling. In: Proceedings of EBC Symposium on Flavour and Flavour Stability, Nancy, France (EBC Monograph 31), Fachverlag Hans Carl, Nürnberg, pp. 125–136.

Oladokun, O., Tarrega, A., James, S., Smart, K., Hort, J., Cook, D. (2016). The impact of hop bitter acid and polyphenol profiles on the perceived bitterness of beer. Food Chemistry, 205, 212–220. https://doi.org/10.1016/j.foodchem.2016.03.023

Patzak, J., Henychová, A. (2018). Evaluation of genetic variability within actual hop (Humulus lupulus L.) varieties by an enlarged set of molecular markers. Czech Journal of Genetics and Plant Breeding, 54, 86−91. https://doi.org/10.17221/175/2016-CJGPB

Praet, T., Van Opstaele, F., De Causmaecker, B., Aerts, G., De Cooman, L. (2016). Heat-induced changes in the composition of varietal hop essential oils via wort boiling on a laboratory scale. Journal of the American Society of Brewing Chemists, 74(3), 212–223.

Schmidt, C., Biendl, M. (2016). Headspace Trap GC-MS analysis of hop aroma compounds in beer. Brewing Science, 69(1–2), 9–15.

Steenackers, B., De Cooman, L., De Vos, D. (2015). Chemical transformations of characteristic hop secondary metabolites in relation to beer properties and the brewing process: A review. Food Chemistry, 172, 742–756. https://doi.org/10.1016/j.foodchem.2014.09.139

Štěrba, K., Čejka, P., Čulík, J., Jurková, M., Krofta, K., Pavlovič, M., Mikyška, A., Olšovská, J. (2015). Determination of linalool in different hop varieties using a new method based on fluidized-bed extraction with gas chromatographic-mass spectrometric detection. Journal of the American Society of Brewing Chemists, 73(2), 151–158. https://doi.org/10.1094/ASBCJ-2015-0406-01

Takoi, K., Itoga, Y., Koie, K., Takayanagi, J., Kaneko, T., Watanabe, T., Matsumoto, I., Nomura, M. (2017). Systematic Analysis of Behaviour of Hop-Derived Monoterpene Alcohols During Fermentation and New Classification of Geraniol-Rich Flavour Hops. Brewing Science 70(11/12), 177–186.

Takoi, K., Tokita, K., Sanekata, A., Usami, Y., Itoga, Y., Koie, K., Matsumoto, I., Nakayama, Y. (2016). Varietal difference of hop-derived flavour compounds in late-hopped/dry-hopped beers. Brewing Science, 69(1/2), 1–7.

von Heynitz, C., Stecker, M., Hofmann, T., Glas, K. (2020). A novel dry hopping technology: kinematic modelling of a planetary rotating bed reactor. Brewing Science, 73(5/6), 68–76.

Illustration picture

Downloads

Published

2022-08-15

How to Cite

Mikyška, A., Slabý, M., Jurková, M., Štěrba, K., Nesvadba, V., & Charvátová, J. (2022). Pilot brewery tests of Czech flavour hop varieties registered in 2022. KVASNY PRUMYSL, 68(3+4), 619-627. https://doi.org/10.18832/kp2022.68.619
سرور مجازی ایران Decentralized Exchange

Issue

Section

Articles
فروشگاه اینترنتی