Method of producing retinyl esters

Details Method of producing retinyl esters Method of producing retinyl esters

2003-10-27

2008-12-02

Lilling, Herbert J (Department: 1657)

Chemistry: molecular biology and microbiology

Micro-organism, tissue cell culture or enzyme using process...

Preparing compound containing a carotene nucleus

C435S134000, C435S135000

Reexamination Certificate

active

07459288

ABSTRACT:
A method of producing a retinyl ester compound comprising subjecting a composition comprising retinyl or a retinyl ester and a fat or oil of animal or vegetable origins to enzyme catalysed trans-esterification in solvent free conditions to produce a retinyl ester.

REFERENCES:
patent: 6479618 (2002-11-01), Vonderhagen
patent: 10018519 (2000-04-01), None
patent: 0 094 771 (1983-05-01), None
patent: 0 343 444 (1989-05-01), None
patent: 2 026 319 (1978-07-01), None
patent: 56113760 (1981-09-01), None
patent: 61212515 (1986-09-01), None
patent: 62248495 (1987-10-01), None
patent: 6032774 (1994-02-01), None
patent: 99/32105 (1999-07-01), None
patent: 01/78676 (2001-10-01), None
International Search Report, PCT/EP03/12206, mailed Mar. 1, 2004, 2 pp.
GB Search Report, GB 0226270.7, dated Apr. 17, 2003, 1 p.
GB Search Report, GB0226270.7, dated May 21, 2003, 1 p.
Maugard, et al., “Enzymatic Synthesis of Derivatives of Vitamin A in Organic Media”, Journal of Molecular Catalysis B Enzymatic, vol. 8, No. 4-6, Feb. 18, 2000, pp. 275-280, XP002270197.
O'Connor, et al., “Candida-Cylindracea Lipase-Catalysed Synthesis of Retinyl and Oleyl Palmitates Carbon Chain Length Dependence of Esterase Activity”, Australian Journal of Chemistry, vol. 45, No. 4, 1992, pp. 641-649, XP0008027552.
Ajima, et al., “Retinyl Esters Synthesis by Polyethylene Glycol-Modified Lipase in Benzene”, Biotechnology Letters, vol. 8, No. 8, 1986, pp. 547-552, XP0008027553.
Dossat, et al., “Lipase-catalysed Transesterification of High Oleic Sunflower Oil”, Enzyme and Microbial Technology, vol. 30, No. 1, Jan. 8, 2002, pp. 90-94, XP002270198.
Haraldsson, et al., “The Preparation of Concentrates of Eicosapentaenoic Acid and Docosahexaenoic Acid by Lipase-catalyzed Transesterification of Fish Oil with Ethanol”, Journal of the American Oil Chemists' Society, American Oil Chemists' Society Campaign, US, vol. 74, No. 11, Nov. 1, 1997, pp. 1419-1424, XP000736917.

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