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Published on: March 13, 2014
Plasma fatty acid composition during the first week of life following feeding with human milk or formula
P Sanjurjo1, J Rodriguez-Alarcon, J Rodriguez-Soriano
1Department of Paediatrics, Hospital Infantil de Cruces, Bilbao, Spain.
Insights
Newborns fed human milk showed higher plasma levels of key fatty acids like stearic acid and arachidonic acid compared to formula-fed infants. These differences in fatty acid profiles may impact infant development.
Area of Science:
- Neonatal Nutrition
- Biochemistry
- Pediatrics
Background:
- Infant nutrition significantly influences early development.
- Human milk and adapted cow's milk formula have distinct fatty acid compositions.
- Understanding these differences is crucial for infant health.
Purpose of the Study:
- To compare plasma fatty acid profiles in newborns fed human milk versus cow's milk formula.
- To identify specific fatty acid variations attributable to diet in early infancy.
Main Methods:
- Studied plasma fatty acids in 20 full-term infants fed human milk and 17 fed formula.
- Measured fatty acids in cord blood and at 7-9 days of age.
- Utilized gas chromatography or similar analytical techniques for fatty acid quantification.
Main Results:
- No significant plasma fatty acid differences were observed at birth.
- After feeding, breast milk-fed infants had higher stearic acid, di-homo-gamma-linolenic acid, and arachidonic acid.
- Formula-fed infants exhibited higher plasma oleic acid concentrations.
Conclusions:
- Dietary intake significantly alters plasma fatty acid profiles in newborns within days of birth.
- Human milk promotes higher levels of essential and conditionally essential fatty acids.
- Further research is needed to determine the long-term implications for nervous system lipid structure.
Abstract:
Plasma fatty acids were studied in 20 full-term newborn infants fed human milk and in 17 newborn infants of identical characteristics fed an adapted cow's milk formula. Plasma fatty acids were measured in cord blood and at 7-9 days of age. No differences were present at birth but, after a period of feeding, infants receiving breast milk had higher plasma concentrations of stearic acid, di-homo-gamma-linolenic acid and arachidonic acid, while infants receiving formula had a higher plasma concentration of oleic acid. The importance of these findings in relation to the lipidic structure of the nervous system remains to be determined.
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