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Related Experiment Videos

Biologically active peptides in milk proteins.

H Meisel1, H Frister, E Schlimme

  • 1Institute for Chemistry and Physics, Federal Dairy Research Centre, Kiel, FRG.

Zeitschrift Fur Ernahrungswissenschaft
|December 1, 1989
PubMed
Summary

Bioactive peptides from milk proteins are released during digestion and can influence metabolism and immunity. These findings enhance the understanding of food protein nutritional value and applications.

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Area of Science:

  • Food Science
  • Biochemistry
  • Nutrition

Background:

  • Bioactive peptides are derived from food protein digestion.
  • These peptides are typically inactive within the parent protein structure.
  • Milk proteins are a significant source of bioactive peptides.

Purpose of the Study:

  • To explore the role and significance of bioactive peptides from food proteins.
  • To highlight the potential health impacts of milk-derived bioactive peptides.
  • To evaluate new perspectives on the nutritional value of proteins.

Main Methods:

  • Analysis of bioactive peptide sequences within food proteins.
  • Investigation of peptide release during gastrointestinal digestion.
  • Assessment of peptide effects on physiological processes.

Main Results:

  • Bioactive peptides, including exorphins (casomorphins), phosphopeptides, and immunopeptides, are released from milk proteins (caseins and whey) during digestion.
  • These peptides can regulate nutrient absorption and modulate postprandial metabolism through hormone secretion.
  • Bioactive peptides demonstrate a potential to stimulate the immune system.

Conclusions:

  • Bioactive peptides from milk proteins offer novel insights into assessing the nutritive value of food proteins.
  • These peptides have established applications as dietary supplements.
  • Bioactive peptides hold promise for pharmaceutical preparations and therapeutic interventions.

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