Title:
新規trans-ルテインに富むキサントフィルエステル濃縮物およびその調製方法
Document Type and Number:
Japanese Patent JP4266924
Kind Code:
B2
Abstract:
A novel xanthophyll esters concentrate including a composition containing lutein and zeaxanthin fatty acid esters wherein the composition contains by weight 90-95% of trans-lutein esters, 0-5% of cis-lutein esters and 3.5 to 6% of zeaxanthin esters. More particularly, a process is provided for the preparation of the above concentrate employing ketonic solvents. The novel trans-lutein enriched xanthophyll ester concentrate is useful for human consumption, either as nutraceuticals, as nutritional supplements, as food additives and also for coloring animal feeds. The concentrate has better stability and bioavailability.
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Inventors:
Thattal Paramville Krishna Das, Sunil, Kumar
Application Number:
JP2004511261A
Publication Date:
May 27, 2009
Filing Date:
November 13, 2002
Export Citation:
Assignee:
Omniactive Health Technologies Private Limited
International Classes:
A23L1/275; A23L1/30; A61K31/23; C07C1/00; C07C69/007; C07C403/24; C09B61/00
Domestic Patent References:
| JP2002512256A |
Attorney, Agent or Firm:
Ikeuchi, Sato & Partners