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Lipase‐assisted acidolysis of high‐laurate canola oil with eicosapentaenoic acid
Author(s) -
Hamam Fayez,
Daun James,
Shahidi Fereidoon
Publication year - 2005
Publication title -
journal of the american oil chemists' society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.512
H-Index - 117
eISSN - 1558-9331
pISSN - 0003-021X
DOI - 10.1007/s11746-005-1158-2
Subject(s) - lauric acid , eicosapentaenoic acid , lipase , chemistry , hexane , canola , organic chemistry , chromatography , fatty acid , food science , enzyme , polyunsaturated fatty acid
The production of structured lipids via acidolysis of high‐laurate canola oil (Laurical 15) with EPA in hexane was carried out using lipase from Pseudomonas sp . The optimal reaction conditions used 4% lipase, at a mole ratio of oil to EPA of 1∶3 at 45°C over 36 h. The positional distribution of FA on the glycerol backbone of unmodified oil indicated that lauric acid was mainly located at the sn ‐1,3 positions. Stereospecific analysis of the oil modified with EPA showed that lauric acid remained mostly esterified to the sn ‐1,3 positions of the TAG molecules and that EPA was also primarily in the sn ‐1,3 positions of the TAG molecules. Thus, the resultant structured lipids may have optimal value for use in applications where quick energy release and EPA supplementation are required.