Journal
FOODS
Volume 11, Issue 3, Pages -Publisher
MDPI
DOI: 10.3390/foods11030345
Keywords
metabolomics; NMR; human milk; preterm infant; gestational age
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This study longitudinally investigated the metabolome of milk from women delivering preterm at different gestational ages. The study found that both the mother's phenotype and lactation time had a significant impact on the metabolome composition of human milk. Additionally, statistically significant differences in terms of gestational age were observed. These findings provide insights into optimizing feeding and improving outcomes for preterm newborns.
Understanding the composition of human milk (HM) can provide important insights into the links between infant nutrition, health, and development. In the present work, we have longitudinally investigated the metabolome of milk from 36 women delivering preterm at different gestational ages (GA): extremely (<28 weeks GA), very (29-31 weeks GA) or moderate (32-34 weeks GA) premature. Milk samples were collected at three lactation stages: colostrum (3-6 days post-partum), transitional milk (7-15 days post-partum) and mature milk (16-26 days post-partum). Multivariate and univariate statistical data analyses were performed on the H-1 NMR metabolic profiles of specimens in relation to the degree of prematurity and lactation stage. We observed a high impact of both the mother's phenotype and lactation time on HM metabolome composition. Furthermore, statistically significant differences, although weak, were observed in terms of GA when comparing extremely and moderately preterm milk. Overall, our study provides new insights into preterm HM metabolome composition that may help to optimize feeding of preterm newborns, and thus improve the postnatal growth and later health outcomes of these fragile patients.
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