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Faecal short-chain fatty acids in breast-fed and bottle-fed infants

U Siigur1, A Ormisson, A Tamm

  • 1Institute of General and Molecular Pathology, University of Tartu, Estonia.

Acta Paediatrica (Oslo, Norway : 1992)
|June 1, 1993
PubMed

Insights

Breast-fed infants show higher acetic acid levels in faecal short-chain fatty acids (SCFAs), suggesting a distinct gut microbiota composition. This may offer protection against infant infections like diarrhoea and respiratory issues.

Area of Science:

  • Microbiology
  • Infant Nutrition
  • Gut Microbiome Research

Background:

  • Gut microbiota plays a crucial role in infant health.
  • Short-chain fatty acids (SCFAs) are key microbial metabolites.
  • Understanding SCFA profiles can inform infant health strategies.

Purpose of the Study:

  • To analyze faecal short-chain fatty acid (SCFA) profiles in infants.
  • To compare SCFA composition between breast-fed and bottle-fed infants.
  • To investigate the relationship between SCFA profiles and infant health outcomes.

Main Methods:

  • Faecal samples were collected from 49 infants at three time points: 3 days, 6 days, and 2 months of age.
  • SCFA composition was determined using gas chromatography.
  • Infant feeding method (breast-feeding vs. bottle-feeding) was recorded.

Main Results:

  • A significantly higher proportion of acetic acid was observed in the SCFA spectra of breast-fed infants compared to bottle-fed infants at two months of age.
  • The data indicate that breast-fed infants tend to have a gut microflora characterized by a high relative content of acetic acid in faecal SCFAs.
  • This specific SCFA profile in breast-fed infants may be linked to protective effects.

Conclusions:

  • Breast-feeding influences the composition of the infant gut microbiota, leading to higher faecal acetic acid levels.
  • The elevated acetic acid content in breast-fed infants' faecal SCFAs may contribute to protection against common infant infections.
  • Further research is warranted to confirm the protective mechanisms and clinical implications of these findings.

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