C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
C09B 61/00 (2006.01) A23K 1/00 (2006.01) A23L 1/275 (2006.01) A23L 1/30 (2006.01) A61K 31/047 (2006.01) A61K 36/28 (2006.01) C07C 403/24 (2006.01) C09B 23/10 (2006.01)
Patent
CA 2502568
The invention disclosed in this application relates to a novel xanthophyll esters concentrate comprising predominantly of a composition containing lutein and zeaxanthin fatty acid esters wherein the composition contains 90-95% of trans-lutein esters, 0-5% of cis-lutein esters and 3.5 to 6% of Zeaxanthin esters The invention also relates to a process for the preparation of the above said concentrate employing ketonic solvents The novel trans-lutein enriched xanthophyll esters concentrate of the present invention is useful for human consumption, either as nutraceuticals, nutritional supplements, as food additives and also for coloring animal feeds The concentrate has better stability and bioavailability.
La présente invention concerne un nouveau concentré d'esters de xanthophylle comprenant principalement une composition contenant de la lutéine et des esters d'acide gras de zéaxanthine, la composition renfermant 90-95 % d'esters de trans-lutéine, 0-5 % d'esters de cis-lutéine et 3,5-6 % d'esters de zéaxanthine. L'invention concerne également un procédé servant à la préparation de ce concentré, faisant intervenir des solvants à base de cétones. Ce nouveau concentré d'esters de xanthophylle enrichi en trans-lutéine est destiné à la consommation humaine, sous forme d'aliments nutraceutiques, de suppléments alimentaires ou d'additifs alimentaires, et également à la coloration des aliments pour animaux. Le concentré présente une meilleure stabilité et une meilleure biodisponibilité.
Gowling Lafleur Henderson Llp
Omniactive Health Technologies Private Limited
Phyto-Actives (india) Private Limited
LandOfFree
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