Conjugated linoleic acid (CLA) production and lipase-catalyzed interesterification of purified CLA with canola oil
2008
Goli, Sayyed Amir Hossein | Kadivar, Mahdi | Keramat, Javad | Fazilati, Mohammad
In this study, two important isomers of CLA, i.e. c9,t11 and t10,c12, were produced up to ca. 73% of total fatty acids, employing alkali isomerization of safflower oil, followed by purification with only one-step urea crystallization to 85.6%, while the recovery of the purification process was 35%. Interesterification (acidolysis) of purified CLA with canola oil was then conducted by Thermomyces lanuginosus lipase. The CLA content incorporated into the triacylglycerols (TG) was 26.6 mol-% after 48 h of reaction time. Physical and chemical properties of the TG were then changed according to the degree of substitution of oleic acid in canola oil with CLA.
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