Czech J. Food Sci., 2008, 26(2):139-145 | DOI: 10.17221/2466-CJFS

Effect of ethanol on interactions of bitter and sweet tastes in aqueous solutions

Zdeňka PANOVSKÁ, Alena ŠEDIVÁ, Markéta JEDELSKÁ, Jan POKORNÝ
Department of Food Chemistry and Analysis, Faculty of Food and Biochemical Technology, Institute of Chemical Technology in Prague, Prague, Czech Republic

Experimental samples simulated the composition of vermouths. In all experiments, 0.01% quinine was used as a standard bitter substance. Sucrose increased the acceptability in the concentration range of up to 14%, remaining constant at higher concentrations, both in aqueous and 16% ethanolic solutions. A decrease of bitterness was observed in water but not in 16% ethanol. Ethanol did not affect the sweetness appreciably at the concentrations of up to 16%, but 32% ethanolic solutions appeared less sweet. Ethanol enhanced the bitterness only at high concentrations; interactions were similar in the samples containing 10% and 16% sucrose. Aspartame and Neotame sweetness increased the acceptability and decreased the bitterness similarly to sucrose, both in aqueous and in 16% ethanolic solutions.

Keywords: sweetness; bitterness; ethanol; sucrose; Aspartame; Neotame; sensory analysis

Published: April 30, 2008  Show citation

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PANOVSKÁ Z, ŠEDIVÁ A, JEDELSKÁ M, POKORNÝ J. Effect of ethanol on interactions of bitter and sweet tastes in aqueous solutions. Czech J. Food Sci. 2008;26(2):139-145. doi: 10.17221/2466-CJFS.
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