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Related Experiment Videos

[The microecological effect of human milk].

F K Grütte1, J Schulze, H J Zunft

  • 1Zentralinstitut für Ernährung in Potsdam-Rehbrücke, Akademie der Wissenschaften der DDR.

Die Nahrung
|January 1, 1987
PubMed
Summary

Mother's milk creates an acidic colon environment, slowing microbial activity and lactose digestion. Cow's milk causes rapid lactose breakdown, releasing harmful metabolites that can overwhelm infant detoxification systems.

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Area of Science:

  • Biochemistry
  • Pediatrics
  • Microbiology

Background:

  • The infant gut microbiome and digestive processes are crucial for nutrient absorption and overall health.
  • Dietary components significantly influence the colonic environment and microbial metabolism.
  • Immature infant detoxification pathways necessitate careful consideration of dietary impacts.

Purpose of the Study:

  • To compare the effects of mother's milk versus cow's milk on the infant's colonic environment.
  • To investigate the influence of different milk compositions on lactose degradation and metabolite production.
  • To assess the potential burden on infant detoxification systems.

Main Methods:

  • Comparative analysis of buffer systems in the colon based on milk source.

Related Experiment Videos

  • Assessment of lactose degradation rates at different colonic locations.
  • Identification and evaluation of metabolites produced during milk digestion.

    • Main Results:

    • Mother's milk promotes an acidic (pH 5) colonic buffer system dominated by short-chain organic acids, retarding microbial metabolism and maintaining lactose degradation.
    • Cow's milk results in a neutral buffer system (phosphate, bicarbonate, protein degradation products), leading to rapid lactose degradation in the upper colon.
    • Rapid lactose degradation from cow's milk releases putrefactive metabolites that are absorbed, potentially burdening the infant's immature detoxification capacity.

    Conclusions:

    • The buffering system in the infant colon significantly differs between mother's milk and cow's milk.
    • Cow's milk consumption may lead to an increased load of potentially harmful metabolites due to accelerated lactose digestion.
    • Understanding these differences is vital for infant nutrition and health, particularly concerning detoxification burdens.