Invention Grant
US07812198B2 Process for the manufacture of a composition containing at least one xanthophyll
有权
用于制造含有至少一种叶黄素的组合物的方法
- Patent Title: Process for the manufacture of a composition containing at least one xanthophyll
- Patent Title (中): 用于制造含有至少一种叶黄素的组合物的方法
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Application No.: US12294202Application Date: 2007-03-01
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Publication No.: US07812198B2Publication Date: 2010-10-12
- Inventor: Thomas Eidenberger
- Applicant: Thomas Eidenberger
- Applicant Address: DE Hamburg
- Assignee: OMNICA GmbH
- Current Assignee: OMNICA GmbH
- Current Assignee Address: DE Hamburg
- Agency: Fulbright & Jaworski
- Agent Scott D. Rothenberger
- Priority: ATA356/2006 20060302
- International Application: PCT/AT2007/000104 WO 20070301
- International Announcement: WO2007/098520 WO 20070907
- Main IPC: C07C35/18
- IPC: C07C35/18
Abstract:
The present invention relates to a process for the manufacture of a composition containing at least one xanthophyll selected from the group consisting of lutein and zeaxanthin, said process comprising the steps of providing an extract of Marigold flower containing the xanthophyll(s) in esterified form; saponifying the Marigold flower extract and isolating the xanthophyll(s). The process according to the invention is characterized in that the step of saponifying the Marigold flower extract is carried out in the presence of a quaternary ammonium base.
Public/Granted literature
- US20090118379A1 PROCESS FOR THE MANUFACTURE OF A COMPOSITION CONTAINING AT LEAST ONE XANTHOPHYLL Public/Granted day:2009-05-07
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