ENRICHMENT OF PHOSPHATIDYL CHOLINE - ALCOHOL FRACTIONATION OF CARBON-DIOXIDE DE-OILED LECITHIN FROM SOYBEAN (GLYCINE-MAX)

Citation
G. Began et al., ENRICHMENT OF PHOSPHATIDYL CHOLINE - ALCOHOL FRACTIONATION OF CARBON-DIOXIDE DE-OILED LECITHIN FROM SOYBEAN (GLYCINE-MAX), ZEITSCHRIFT FUR LEBENSMITTEL-UNTERSUCHUNG UND-FORSCHUNG A-FOOD RESEARCH AND TECHNOLOGY, 205(5), 1997, pp. 360-363
Citations number
21
Categorie Soggetti
Food Science & Tenology
ISSN journal
14314630
Volume
205
Issue
5
Year of publication
1997
Pages
360 - 363
Database
ISI
SICI code
1431-4630(1997)205:5<360:EOPC-A>2.0.ZU;2-T
Abstract
Crude soylecithin was extracted with carbon dioxide at pressures of 12 0, 200, 240, 280 and 320 bar (12, 20, 24, 28 and 32 MPa, respectively) and at a temperature of 40 degrees C to obtain de-oiled lecithin. The amount of phospholipids (acetone insoluble) increased with increasing pressure. The carbon-dioxide-extracted lecithin (CDEL) was fractionat ed with alcohol into alcohol-soluble and alcohol-insoluble fractions. Depending on the pressure, the alcohol-soluble fraction of CDEL was fo und to contain up to 70.0% phosphatidyl choline as against 21.1% prese nt in crude lecithin. The alcohol-insoluble fraction of CDEL was found to contain up to 37.1% phosphatidyl inositol as against 12.3% in crud e lecithin. The chemical parameters of CDEL and the alcohol-soluble an d alcohol-insoluble fractions were evaluated.