Direct esterification method for analysis of long-chain polyunsaturated fatty acids (LC-PUFAs) in infant formulae

被引：0
|
作者：
Bertold Bohnert
M. Braun
Heike Winter
Brigitte Flück
机构：
[1] Nestlé Research Center,
[2] CH-1000 Lausanne,undefined
[3] Switzerland,undefined
[4] Nestlé Research and Development Center Konolfingen,undefined
[5] CH-3510 Konolfingen,undefined
[6] Switzerland,undefined
来源：
Zeitschrift für Lebensmitteluntersuchung und -Forschung A | 1997年 / 204卷
关键词：
Key words Direct esterification; Long-chain polyunsaturated fatty acids; Infant formulae;
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学科分类号：
摘要：
 Direct esterification of lipids in foods, including liquid and powder infant formulae, can be used as a simplified analytical procedure for the analysis of long-chain polyunsaturated fatty acids. The new method gives comparable results to standard methods using lipid extraction, but with less effort. The gas chromatographic separation method described uses an internal standard to calculate not only the normalised amount of fatty acid/total fatty acids, but also the absolute amounts of fatty acids in the product.
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页码：27 / 31
页数：4
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