Title:
商業的に入手可能なルテインからの希少カロテノイドを製造する方法
Document Type and Number:
Japanese Patent JP2004505107
Kind Code:
A
Abstract:
Disclosed are processes for conversion of (3R,3'R,6'R)-lutein to (3R,6'R)-alpha-cryptoxanthin, (3R)-beta-cryptoxanthin, anhydroluteins I, II, and III (dehydration products of lutein), and a method for separating and purifying the individual carotenoids including the unreacted (3R,3'R)-zeaxanthin. The invention also includes two methods that transform (3R,3'R,6'R)-lutein into (3R,6'R)-alpha-cryptoxanthin in excellent yields.
Inventors:
Cassique Frederick
Application Number:
JP2002516260A
Publication Date:
February 19, 2004
Filing Date:
July 26, 2001
Export Citation:
Assignee:
University of Maryland College Park
International Classes:
C07C29/04; C07C35/21; C07C45/27; C07C403/24; (IPC1-7): C07C403/24
Attorney, Agent or Firm:
Hatsushi Shimizu
Kazunori Hashimoto
Kazunori Hashimoto