Bitter Taste Perception of the Human Tongue Mediated by Quinine and Caffeine Impregnated Taste Strips.
David Tianxiang LiuGerold BesserFlorian OellerChristian A MuellerBertold RennerPublished in: The Annals of otology, rhinology, and laryngology (2020)
Caffeine seems to be a valid bitter compound for regional testing using taste strips and may be used alternatively to quinine.
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