Process for the preparation of a flavouring component

A - Human Necessities – 23 – L

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A23L 1/226 (2006.01) A23L 1/236 (2006.01) C11B 9/00 (2006.01)

Patent

CA 2211257

The invention concerns a process for the preparation of flavouring components through non-enzymatic oxidative degradation at an elevated temperature below 250 ~C of p-hydroxy-styrene-type compounds of general formula (I), wherein R1 is hydrogen or a hydroxy or alkoxy group and R2 is an alkyl group or an organic functional group. Preferably R1 is hydrogen, hydroxy or methoxy and R2 is an alkyl group or an aldehyde or keto group, a carboxylic acid or ester group, or a carbinol, carbinol ester or an ether group. The oxidative degradation is conveniently carried out in an organic solvent at a temperature between 120 and 200 ~C. The flavouring components are suitable for incorporation into flavouring or directly into foods. They have a phenolic and sweet-aromatic flavour character.

L'invention porte sur un procédé de préparation de composant aromatisants par dégradation oxydante non enzymatique, à une température élevée inférieure à 250 ·C. Ces composés du type p-hydroxy-styrène présentent la formule générale (I) dans laquelle R1 représente un groupe hydrogène, hydroxy ou alcoxy, et R2 représente un groupe alkyle ou un groupe organique fonctionnel, R1 représentant de préférence hydrogène, hydroxy ou métoxy, et R2 représentant de préférence un groupe alkyle, aldéhyde ou céto, un groupe ester ou acide carboxylique, ou un groupe carbinol, carbinol ester ou éther. La dégradation oxydante s'effectue facilement dans un solvant organique à une température comprise entre 120 ·C et 200 ·C. Les composants aromatisants peuvent être utilisés dans des arômes ou directement dans les aliments. Ils présentent une saveur de caractère phénolique et aromatique douce.

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