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公开(公告)号：US20240043391A1
公开(公告)日：2024-02-08
申请号：US18263727
申请日：2021-02-02
Applicant: SYMRISE AG
Inventor： Jekaterina ONGOUTA , Michael BACKES , Nadine HEINEMEIR , Thomas RIESS , Volkmar KOPPE , Stefan BRANDT , Tobias VÖSSING , Carina ROSE , Dietmar SCHATKOWSKI
IPC: C07D241/12
CPC classification number: C07D241/12
Abstract: The present invention primarily relates to a process for producing alkylpyrazines, the process comprising thermal treatment of an amino acid source in a high boiling solvent, the amino acid source containing at least threonine and/or serine and the thermal treatment yielding alkylpyrazines; and separation of the alkylpyrazines from the high boiling solvent.
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公开(公告)号：US20200080023A1
公开(公告)日：2020-03-12
申请号：US16615863
申请日：2017-06-01
Applicant: SYMRISE AG
Inventor： Michael BACKES , Jekaterina ONGOUTA , Jakob LEY , Tobias VÖSSING , Volkmar KOPPE , Jens KOCH
Abstract: The present invention primarily relates to a method for producing an aromatic blend comprising unsaturated dienals. The invention further relates to aromatic blends obtained or obtainable by a method according to the invention and compositions or semi-finished products for producing said compositions, comprising aromatic blends according to the invention. A further aspect of the present invention relates to the use of an aromatic blend according to the invention for aromatizing a composition, preferably a composition serving for food or pleasure, or a semi-finished product for producing such a composition.
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公开(公告)号：US20190289887A1
公开(公告)日：2019-09-26
申请号：US16305969
申请日：2016-06-02
Applicant: SYMRISE AG
Inventor： Jekaterina ONGOUTA , Michael BACKES , Jakob Peter LEY , Volkmar KOPPE , Jens KOCH
Abstract: The present invention relates to a flavour mixture containing 2E,4Z,7Z- and 2E,4E,7Z-tridecatrienal. This flavour mixture can be produced advantageously from arachidonic acid or oils containing esters thereof.
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