Process for the production of deacidified triglycerides

Details Process for the production of deacidified triglycerides Process for the production of deacidified triglycerides

2006-04-25

2006-04-25

Marx, Irene (Department: 1651)

Chemistry: molecular biology and microbiology

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

Preparing oxygen-containing organic compound

C435S135000, C435S198000, C554S167000

Reexamination Certificate

active

07033803

ABSTRACT:
Deacidified fats and/or oils are made by the process which comprises the steps of:(a) reacting a technical triglyceride having an acid value of up to about 60 and a stoichiometric excess of a lower alcohol having from 1 to 4 carbon atoms and from about 0.5% to about 5% by weight of a lipase to form a pre-esterification product having an acid value of from about 0.5 to about 10,(b) optionally removing water and unreacted alcohol from the pre-esterification product,(c) further reacting the pre-esterification product from step (a) or (b) with additional lower alcohol to form a post-esterification reaction product having an acid value of from about 0.1 to about 0.5.

REFERENCES:
patent: 4608202 (1986-08-01), Lepper
patent: 5514820 (1996-05-01), Assmann et al.
patent: 5753473 (1998-05-01), Gatfield
patent: 39 32 514 (1991-04-01), None
patent: 4-183396 (1992-06-01), None
Miller, et al., “Characteristics of an Immobilized Lipase for the Commercial Synthesis of Esters”, JAOCS, vol. 65, No. 6, (Jun., 1988), pp. 927-931.
Ramamurthi, et al., “Lipase-Catalyzed Esterification of Oleic Acid and Methanol in Hexane-A Kinetic Study”, JAOCS, vol. 71, No. 9, (Sep., 1994), pp. 927-930.

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