公开(公告)号：EP1392632A1

公开(公告)日：2004-03-03

申请号：EP02732721.2

申请日：2002-04-18

申请人： Adisseo France S.A.S.

发明人： QUESNEL, Yannick ,  FLACHER, Richard

IPC分类号： C07C45/28

CPC分类号： C07C403/24

摘要： The present invention relates to a process for the preparation of an xanthophyll, and in particular to a process for the preparation of an xanthophyll through the oxidation of a carotenoid in the presence of hydrogen peroxide and an iodine-containing compound. In particular, the process of the invention applies to the oxidation of beta-carotene to produce canthaxanthin, and to the oxidation of lutein or zeaxanthin to produce astaxanthin.

公开(公告)号：EP1392632B1

公开(公告)日：2006-12-20

申请号：EP02732721.2

申请日：2002-04-18

申请人： Adisseo France S.A.S.

发明人： QUESNEL, Yannick ,  FLACHER, Richard

IPC分类号： C07C403/24

CPC分类号： C07C403/24

摘要： The present invention relates to a process for the preparation of an xanthophyll, and in particular to a process for the preparation of an xanthophyll through the oxidation of a carotenoid in the presence of hydrogen peroxide and an iodine-containing compound. In particular, the process of the invention applies to the oxidation of beta-carotene to produce canthaxanthin, and to the oxidation of lutein or zeaxanthin to produce astaxanthin.