Enzymatic preparation of regioselective fatty acid esters of ascorbic acid
AssigneeTh. Goldschmidt AG
InventorsBurghard Gruning, Geoffrey Hills
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Abstract
The invention relates to a process for the enzymatic preparation of regioselective fatty acid esters of ascorbic acid and selected fatty acid alkyl esters. Ascorbic acid and fatty acid alkyl esters are reacted in a solvent or suspending agent at reduced pressure in relation to the atmosphere and temperatures above the boiling point of the resulting alcohol of reaction.
Claims24
A process for the enzymatic preparation of regioselective fatty acid esters of ascorbic acid, comprising reacting ascorbic acid and at least one fatty acid alkyl ester in the presence of a catalytically effective amount of an enzyme in a solvent or suspending agent at reduced pressure in relation to that of the atmosphere and at temperatures above the boiling point of the resulting alcohol of the reaction, wherein said reduced Pressure is less than 1 bar.
A regioselective fatty acid ester of ascorbic acid having at least one straight-chain or branched, mono- or polyunsaturated, substituted fatty acid radical having 8 to 24 C atoms, wherein at least one of the fatty acid radicals are hydroxy-substituted.
An ascorbyl ricinoleate comprising at least one straight-chain or branched, mono- or polyunsaturated, substituted fatty acid radical having 8 to 24 C atoms, wherein at least one of the fatty acid radicals are hydroxy-substituted.
Dependencies are inferred from the claim text.