title: Incorporation of Palmitic Acid or Stearic Acid into Soybean Oils Using Enzymatic Interesterification.
abstract: Incorporations of nature fatty acids which were palmitic acid and stearic acid into the end positions of soybean oils were done using sn-1,3 specific immobilised lipase from Rhizomucor miehei at different ratios in order to produce symmetrical triglycerides without changing the fatty acids at sn-2 position. The optimum ratio for the process was 25:75 w/w. There were 19.2% increase of SFA for P25 and 16% increase for S25 at the sn-1,3 positions. The research findings indicated that the structured lipids produced from enzymatic interesterification possessed a higher oxidative stability than soybean oil. The newly formed structured lipids (SUS type) could be good sources for various applications in food industry.
authors.affiliation: Engineering and Processing Division, Malaysian Palm Oil Board.
authors.forename: Soek Sin
authors.initials: SS
authors.lastname: Teh
authors.forename: Phooi Tee
authors.initials: PT
authors.lastname: Voon
authors.forename: Augustine Soon
authors.initials: AS
authors.lastname: Hock Ong
authors.forename: Yuen May
authors.initials: YM
authors.lastname: Choo
mesh_terms: D004800:Enzymes, Immobilized / Q000737:chemistry / Q000378:metabolism*; D004951:Esterification; D008049:Lipase / Q000737:chemistry / Q000378:metabolism*; D019308:Palmitic Acid / Q000737:chemistry* / Q000378:metabolism; D020103:Rhizomucor / Q000201:enzymology*; D013024:Soybean Oil / Q000737:chemistry* / Q000378:metabolism; D013229:Stearic Acids / Q000737:chemistry* / Q000378:metabolism
chemical_list: D004800:Enzymes, Immobilized; D013229:Stearic Acids; D019308:Palmitic Acid; C031183:stearic acid; D013024:Soybean Oil; D008049:Lipase