Givaudan S.a.

Philip A Christenson

Xiaogen Yang

David C Bom

Ivica M Labuda

Robert G Eilerman

Jason Jordan

Rongmin Huang

A method of modifying the taste of a consumable, comprising adding to a consumable base at least one compound of the formula I in which 

Taste modifiers

A method of producing nootkatone by laccase catalyzed oxidation of valencene. Valencene and a composition having laccase activity are reacted in the presence of an oxygen source, at a valencene concentration greater than 0.1%, to form valencene hydroperoxide. Optionally, a mediator and/or a solvent at a concentration that maintains laccase activity may also be included. The valencene hydroperoxide is degraded to form nootkatone, and nootkatone is then recovered. The method produces nootkatone in commercially viable yields.

Process for the preparation of nootkatone by laccase catalysis

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Loveland, OH, United States of America

Philip A Christenson