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Perceived bitterness character of beer in relation to hop variety and the impact of hop aroma

Oladokun, Olayide; James, Sue; Cowley, Trevor; Dehrmann, Frieda; Smart, Katherine; Hort, Joanne; Cook, David

Authors

Olayide Oladokun

Sue James

Trevor Cowley

Frieda Dehrmann

Katherine Smart

Joanne Hort

David Cook



Abstract

The impact of hop variety and hop aroma on perceived beer bitterness intensity and character was investigated using analytical and sensory methods. Beers made from malt extract were hopped with 3 distinctive hop varieties (Hersbrucker, East Kent Goldings, Zeus) to achieve equi-bitter levels. A trained sensory panel determined the bitterness character profile of each singly-hopped beer using a novel lexicon. Results showed different bitterness character profiles for each beer, with hop aroma also found to change the hop variety-derived bitterness character profiles of the beer. Rank-rating evaluations further showed the significant effect of hop aroma on selected key bitterness character attributes, by increasing perceived harsh and lingering bitterness, astringency, and bitterness intensity via cross-modal flavour interactions. This study advances understanding of the complexity of beer bitterness perception by demonstrating that hop variety selection and hop aroma both impact significantly on the perceived intensity and character of this key sensory attribute.

Journal Article Type Article
Publication Date Sep 1, 2017
Journal Food Chemistry
Print ISSN 0308-8146
Electronic ISSN 0308-8146
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 230
APA6 Citation Oladokun, O., James, S., Cowley, T., Dehrmann, F., Smart, K., Hort, J., & Cook, D. (2017). Perceived bitterness character of beer in relation to hop variety and the impact of hop aroma. Food Chemistry, 230, doi:10.1016/j.foodchem.2017.03.031
DOI https://doi.org/10.1016/j.foodchem.2017.03.031
Keywords Beer; Polyphenols; Iso-α-acids; Bitterness quality; Phenolic acids; Perceived beer bitterness; Bitterness character; Taste-aroma interactions; Trigeminal sensation
Publisher URL http://www.sciencedirect.com/science/article/pii/S0308814617303965
Copyright Statement Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by-nc-nd/4.0

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by-nc-nd/4.0





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