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Lactoferrin levels in term and preterm milk.

P A Ronayne de Ferrer¹, A Baroni, M E Sambucetti

¹Department of Nutrition and Food Science, School of Pharmacy and Biochemistry, University of Buenos Aires, Argentina.

Journal of the American College of Nutrition

|June 29, 2000

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Human milk provides essential anti-infective properties for neonates. This study found lactoferrin levels in preterm milk support immune protection in premature infants, even with small intake volumes.

Area of Science:

Neonatal nutrition
Immunology
Human milk composition

Background:

Human milk is optimal for neonates, but its use in preterm infants is debated.
Lactoferrin is a key non-specific anti-infective factor in human milk.

Purpose of the Study:

To investigate the anti-infective properties of preterm milk.
To measure lactoferrin levels in preterm and term milk to assess protective factors.

Main Methods:

Milk samples collected from 26 preterm and 20 term mothers during the first postpartum month.
Lactoferrin levels analyzed using SDS-PAGE.
Samples analyzed in duplicate.

Main Results:

Lactoferrin levels varied in both preterm and term milk over time.

Related Experiment Videos

No significant differences in lactoferrin levels were found between preterm and term groups.

Preterm milk showed stable lactoferrin levels from postpartum day 8.

Conclusions:

Preterm milk's lactoferrin levels support the protective effects of human milk for preterm infants.
Findings endorse feeding premature infants their mother's milk to bolster underdeveloped immune systems.