公开(公告)号：US20240158329A1

公开(公告)日：2024-05-16

申请号：US18550931

申请日：2022-03-15

Applicant: RHODIA OPERATIONS FRANCE

Inventor： Talsida Zougmore ,  Rachid Djillali ,  Laurent Garel

IPC: C07C45/81 ,  C07C45/78 ,  C07C45/80

CPC classification number: C07C45/81 ,  C07C45/786 ,  C07C45/80

Abstract: The present invention relates to a process for purifying a fermentation must (M), obtained via a biotechnological process, comprising biomass and vanillin or derivatives thereof in aqueous solution, for the preparation of a crystallized vanillin or derivatives thereof, characterized in that, throughout the purification process, the vanillin or derivatives thereof in protonated or salified form remain in aqueous solution.