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Lexicon

The largest wine encyclopedia in the world with 26,557 Terms.

0-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

UTA

Designation for the "atypical aging tone" or "atypical aging note" in wine, emphasizing the distinction from the "true Alterston". There are many Synonyme such as acacia tone, polish tone, hybrid tone, candle wax, Mediterranean note, furniture polish, naphthalene tone, wet cardboard (papier-mâché), wet cloths, dirty cloths, mothball tone, moth powder tone, soap tone (soapy), nitrogen box tone, dull, detergent tone, and washing powder tone. As the responsible Aroma component, aminoacetophenone (AAP) was identified in 1993. The plant hormone indole Essigsäure likely has a significant share as a starting substance.

sensory change

This is a natural wine substance that only causes negative sensorisch changes at higher concentrations. The Wahrnehmungs-Schwelle is at 0.5 µg/l (microgram = millionth of a gram), values between 0.5 to 1.5 µg/l are considered light UTA. In aqueous solution, the substance causes a blumig of acacia and oranges, and only through the interaction with other Aromastoffe does the typical UTA tone arise. Together with other substances, AAP is the cause of the Foxton of certain Amerikaner-Reben, especially the species Vitis labrusca. Therefore, UTA wines often exhibit this typical "foxy taste".

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Thorsten Rahn

The Wine lexicon helps me to keep up to date and refresh my knowledge. Thank you for this Lexicon that will never end in terms of topicality! That's what makes it so exciting to come back often.

Thorsten Rahn
Restaurantleiter, Sommelier, Weindozent und Autor; Dresden

The world's largest Lexicon of wine terms.

26,557 Keywords · 47,078 Synonyms · 5,318 Translations · 31,890 Pronunciations · 223,548 Cross-references
made with ♥ by our author Norbert F. J. Tischelmayer. About the Lexicon

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