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|Title:||Determination of Flavor Esters in Enzymatically Transformed Coconut Oil|
|Citation:||Sun, J., Chin, J.H., Yu, B., Curran, P., Liu, S.-Q. (2013-12). Determination of Flavor Esters in Enzymatically Transformed Coconut Oil. Journal of Food Biochemistry 37 (6) : 654-660. ScholarBank@NUS Repository. https://doi.org/10.1111/j.1745-4514.2012.00660.x|
|Abstract:||The lipase-catalyzed transesterification of coconut oil with fusel oil was investigated in this study. Various aroma-active octanoic acid esters, such as ethyl-, butyl-, propyl-, isobutyl- and (iso)amyl octanoate, were synthesized in addition to other esters. To determine the amount of flavor esters, a simple yet effective sample preparation method through refrigeration was developed to separate valuable fatty acid esters from monoglycerides, diglycerides and triglycerides. With this sample preparation method, gas chromatography coupled with mass spectrometry and flame ionization detector was applied to determine flavor esters in transesterified coconut oil with a total run time of 51min. The levels of coefficient of variation were within 2% and the recovery rates were in the range of 89.5-100.0%, indicating good accuracy and high precision. The sample preparation and quantification method established appears to be useful for the determination of a wide range of fatty acid esters in oil samples. © 2012 Wiley Periodicals, Inc.|
|Source Title:||Journal of Food Biochemistry|
|Appears in Collections:||Staff Publications|
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