Collative properties and hedonic responses to specialty beer
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Duerlund, Mette1, Forfatter
Frøst, Michael Bom1, Vejleder
Giacalone, Davide1, Vejleder
1Det Biovidenskabelige Fakultet, København, Danmark, diskurs:7002              
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 Abstract: The Danish beer market consists of a great variety of beers produced by both large breweries and craft breweries. However information about flavouring agents in various Danish beers shows, that very few adjuncts can be found in lagers. There might be possibilities in developing flavourful and characteristic lager beers. Eight experimental lager beers were designed by adding different flavours. Preference and collative perception of the beers were investigated. According to Berlyne’s collative-motivation model, stimuli are preferred for their ability to generate arousal potential. The theory is concerned with relating hedonic value with arousal level induced by certain stimuli that differ in collative properties. Berlyne termed these properties “collative” because they depend on the collation between the past and the currently presented stimuli. A total of 122 consumers participated in the beer tasting, 76 men and 46 women (18-75 years). The sensory tasting took place at the University of Copenhagen, Department of Food Science. Consumers rated liking and collative properties specifically developed to fit beers. Background information was collected simultaneously. Results showed that there was a big differentiation in collative profiles amongst all beers. The properties typicality, familiarity, and traditional were positively correlated, as were drinkability, refreshing, and thirst-quenching. Negatively correlated to these were the attributes: complexity, novelty, confusing, and surprising. An internal preference mapping showed that liking was scattered across all beer samples, indicating that all beers were liked by someone, and points in the direction of different consumer segments for lager beers. Multivariate statistics explained consumer liking by both consumer background and collative properties. Female consumers were highly correlated to low frequency users. This segment had preferences towards traditional, familiar, and typical beers high in drinkability, refreshing, and thirst-quenching characters. Male consumers and people that stated “I often try new beers” and “I know a lot about beer” were all correlated. For these people the properties complexity, novelty, confusing and surprising had the greatest impact on liking. Complexity and familiarity both showed significant correlations with liking (R=0.267 and 0.274, respectively), whereas novelty was almost uncorrelated to liking (R=0.082). Both complexity and familiarity showed linear or monotonic relationships when plotted against liking. Relationship between novelty and liking showed an inverted U-shape, and thus could be described by Berlyne’s theory on arousal where arousal potential is a function of liking in an inverted U-shape. Possibilities exist in developing new innovative lagers in order to reach consumer acceptability and to increase sales and market share. The key note is to look at segments even within lager beers
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 Type: Speciale
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Sprog: English - eng
 Datoer: 2012
 Sider: 70 pages
 Publiceringsinfo: København, Danmark : Institut for Fødevarevidenskab
 Indholdsfortegnelse: -
 Note: Gastronomy and Health, Gastronomi og Sundhed, Afsluttende semester
 Type: Speciale
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