Abstract
Serum concentrations of cholesterol, triglycerides, phospholipids and the fatty acid composition of lecithin were determined in 107 children aged 1–15 years. The major aim of the study was to find out the normal ranges of the proportions of the essential fatty acids in lecithin for further studies of nutritional and metabolic disorders. The population contained partly children admitted for general anaesthesia, partly healthy school children. The series was considered to be representative of normal children of the ages in question.
The fatty acid composition of lecithin did not differ with sex, but changed with increasing age. Linoleic acid increased and arachidonic acid decreased, both significantly (P<0.001 and P<0.01, respectively). Palmitic acid decreased with increasing age (P<0.05). The changes were small. At all ages palmitic acid was the largest proportion of the fatty acids in lecithin and linoleic acid the second largest. In all the age groups there was an inverse relationship between linoleic acid and oleic acid, and between palmitic acid and stearic acid.
The mean values of cholesterol varied between 3.9 and 4.6 mmol/l and triglycerides between 0.6 and 1.0 mmol/l. The concentration of these two lipids increased with increasing age. The mean phospholipid concentration varied between 2.4 and 2.8 mmol/l and did not vary with age.
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The parents and patients gave their full consent to the blood sampling, which was done before operation or at the same time as the examination. Permission for the study was also given by the Ethical Committee of the University of Gothenburg
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Alling, C., Westerberg, B. Fatty acid composition of serum lecithin in healthy children. Eur J Pediatr 137, 197–201 (1981). https://doi.org/10.1007/BF00441317
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DOI: https://doi.org/10.1007/BF00441317