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Int J Food Sci Nutr. 2014 Sep;65(6):728-32. doi: 10.3109/09637486.2014.898261. Epub 2014 Mar 24.

Changes of lipid and fatty acid absorption induced by high dose of citric acid ester and lecithin emulsifiers.

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  • 1Département de technologie alimentaire et de nutrition humaine 1 , Ecole Nationale Supérieure Agronomique, El-Harrach, Alger , Algérie .



To describe the effect of two food emulsifiers, lecithin (E322) and citric acid esters of mono-and diglycerides of fatty acids (E472c), on the intestinal absorption of lipids.


The experiment was conducted on 24 male Wistar rats randomly assigned in three groups. For two groups of six rats, 30% of the lipid intake was replaced with lecithin (L) or citric acid ester of mono and diglycerides, (E); the remaining 12 rats were the control group (C). Diet and fecal fat analysis was used to determine the apparent lipid absorption (ALA) and fatty acids.


ALA was significantly lower in the group E than in the groups C and L (p < 0.001). ALA of long saturated chain fatty acids decreased while the length of the carbon chains increased, and this decrease was higher in the group E.


E472c emulsifier decreased the intestinal absorption of lipids.


Citric acid ester; emulsifiers; fatty acid; intestinal absorption; lecithin ester; lipids; rat

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