Fatty Acid Composition in Feeds and Plasma of Canadian Premature Infants

Journal of Pediatric Gastroenterology and Nutrition
Zakir HossainJames K Friel

Abstract

The objective of the present exploratory study was to investigate how the fatty acid (FA) composition of different food sources for preterm infants including breast milk (BM), formula (F), human milk fortifiers (HMFs), and total parenteral nutrition (TPN) impacted preterm infant's plasma FA. The associations between FA content of plasma with antioxidant enzyme activity and cognition were also evaluated. Thirty-two premature infants were included in the present study. Five different feeds (BM, F, BM + F, BM + HMF, and TPN) were provided. Foods and preterm infant plasma samples were collected at the same time on the same day biweekly where possible. Separation and identification of the plasma and food FA methyl esters were performed by gas-liquid chromatography. Antioxidant enzymes were measured. The Bayley Scale of Infant Development version III was used to evaluate cognition. In food sources, BM contained significantly lower stearic acid (C18:0) (P < 0.05), oleic acid (C18:1n9) (P < 0.01), linoleic acid (C18:2n6) (P < 0.01), α-linoleic acid (C18:3n3) (P < 0.01), and arachidonic acid (C20:4n6) (P < 0.05) compared with the F. Palmitic acid (C16:0) was significantly higher (P < 0.05) in the BM + HMF compared with the BM. Stearic a...Continue Reading

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