Study on Extraction Technology and Content Determination of Xinjiang Flax Lecithin

Abstract

Abstract: The extraction technology of lecithin was proposed and the content of PC in lecithin was determined by dual wavelength thin-layer scanning chromatography. Coarse phospholipids was prepared first, then refined with supercritical fluid extraction and organic solvent extraction successively. The factors affecting the extraction rate were investigated through orthogonal test. The optimum extraction conditions were determined. The content of PC in lecithin is 62.4%, with the average recovery as 99.6% and the RSD as 3.42%. This method is economical, practical and reliable.

Key words: flax lecithin, extraction technology, content determination

GUAN Ming, DU Wei-Jun, LI Yin-Ping, WANG Yan, CHEN Jian. Study on Extraction Technology and Content Determination of Xinjiang Flax Lecithin[J]. FOOD SCIENCE, 2007, 28(6): 135-137.

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Study on Extraction Technology and Content Determination of Xinjiang Flax Lecithin

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