Rapid Analysis of Acylglycerols in Low Molecular Weight Milk Fat Fractions

A suitable analytical method was required to facilitate development of an industrial-scale short-path distillation (SPD) process. Short-path distillation produces milk fat distillates (MFD) enriched in low molecular weight milk fat components--viz. free fatty acids, monoacylglycerols, diacylglycerol...

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Bibliographic Details
Published in:Lipids 2007-05, Vol.42 (5), p.473-482
Main Authors: Craven, R. J, Lencki, R. W
Format: Article
Language:English
Subjects:
Acylglycerols
Animal fat
Animals
Chemical Fractionation
Cholesterol
Chromatography
Diacylglycerol
Distillation
Fatty acids
Fatty Acids - analysis
Gas chromatography
Glycerides - analysis
Lipids
Low molecular weights
Microbalances
Milk
Milk - chemistry
Milk fat
Minor lipids
Molecular Weight
Oils & fats
Short‐path distillation
Solid Phase Extraction
Solid phases
Thin layer chromatography
Triglycerides
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Summary:A suitable analytical method was required to facilitate development of an industrial-scale short-path distillation (SPD) process. Short-path distillation produces milk fat distillates (MFD) enriched in low molecular weight milk fat components--viz. free fatty acids, monoacylglycerols, diacylglycerols, cholesterol and low molecular weight triacylglycerols. In this case, solid-phase extraction (SPE) was considered a better alternative than thin-layer chromatography for separating polar and apolar lipid components in MFD samples due to its speed and near-complete recoveries. Solid-phase extraction of MFDs yielded two fractions, both of which are sufficiently pure for subsequent analysis by gas chromatography. This procedure provided rapid and complete chemical characterization (including mass balances) of low-molecular weight milk-fat fractions.
ISSN:0024-4201
1558-9307
DOI:10.1007/s11745-007-3044-6