Alcohol and Alcoholism Vol. 38, No. 4, pp. 376-380, 2003
© 2003 Medical Council on Alcohol
DETECTING THIAMINE IN BEER
School of Psychology and Counselling, Queensland University of Technology, Beams Road, Carseldine, Queensland 4032, Australia
Received 4 February 2003; first review notified 1 April 2003; accepted 2 April 2003
Aims: To ascertain whether thiamine HCl could be detected in beer using a double-blind triangular taste test. Methods: Three 100 ml samples of beer to which 10 or 0 mg of thiamine were added were presented in counterbalanced order to 49 volunteers. Subjects consumed and rated each sample separately for taste and appearance and chose which beer was different. Results: Thiamine-enriched beer could not be reliably distinguished from normal beer. However, a significant perceptual taste difference was found, with participants rating thiamine-fortified beer as more bitter than normal beer. Conclusions: Thiamine was found to alter the perception of bitterness of beer, but thiamine-fortified beer could not be reliably distinguished from normal beer.
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