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Composition Ot Glvceride Esters Of Lauric Acid Bv Ftir Band Shape Analysis, Deniz P. Wong, Modesto Tan Chua, Erwin P. Enriquez
Composition Ot Glvceride Esters Of Lauric Acid Bv Ftir Band Shape Analysis, Deniz P. Wong, Modesto Tan Chua, Erwin P. Enriquez
Chemistry Faculty Publications
Synthesis of glyceride esters of a fatty acid produces a mixture of isomers that are difficult to separate and analyze, requiring high temperature GC in most cases particularly for long-chain esters. In this paper, we present a fast estimation of the composition of the glyceride esters of lauric acid and glycerol (monolaurin, dilaurin, and trilaurin) by FTIR band shape analysis. The method uses the fact that the carbonyl stretching regions of the pure glycerides have differentband shapes, which implies any composite band of a mixture of glycerides may be resolved into the component peaks due to each glyceride. The carbonyl …