| abstract |
The present invention provides a process for preparing a diglyceride, which includes:n in an enzyme-packed tower which includes an immobilized lipase preparation,ncarrying out an esterification reaction between:n (1) an acyl group donor selected from the group including a fatty acid, a lowernalcohol ester thereof, and a mixture thereof; and (2) an acyl group acceptor selected from the group including glycerol, anmonoglyceride, and a mixture thereof; to obtain a reaction fluid from the enzyme-packed tower; reducing a water content or a lower alcohol content in the reaction fluid; and subsequent to the reducing, recirculating the reaction fluid to the enzyme-packedntower, wherein a residence time of the reaction fluid in the enzyme-packed tower is 120nseconds or less; n to obtain a diglyceride. According to the present invention, a high-purity glyceridencan be provided at a high yield in a short period of time. |