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Bioactive peptides derived from milk proteins. Structural, physiological and analytical aspects

E Schlimme1, H Meisel

  • 1Institut für Chemie und Physik, Bundesanstalt für Milchforschung, Kiel, Bundesrepublik Deutschland.

Die Nahrung
|January 1, 1995
PubMed
Summary

Milk proteins, particularly caseins, yield bioactive peptides like beta-casomorphins and phosphopeptides. These peptides modulate metabolism, hormone secretion, immune defense, and neuroendocrine functions, offering promising applications in food and pharmaceuticals.

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Area of Science:

  • Biochemistry
  • Food Science
  • Pharmacology

Background:

  • Dietary proteins primarily supply amino acids and nitrogen.
  • Milk proteins, especially caseins, are rich sources of bioactive peptides.
  • These peptides can modulate physiological processes.

Purpose of the Study:

  • To explore the role of milk-derived bioactive peptides.
  • To investigate their potential as physiological modulators.
  • To highlight their applications in food and pharmaceuticals.

Main Methods:

  • Enzymatic proteolysis of caseins in vitro and in vivo.
  • Chemical characterization using peptide synthesis and immunochemistry.
  • Analysis of peptide effects on nutrient uptake, hormone secretion, and immune function.

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Main Results:

  • Casein-derived peptides, including beta-casomorphins and phosphopeptides, are released during digestion.
  • These peptides influence nutrient absorption, hormone release, immune response, and neuroendocrine signaling.
  • Casein peptides show potential as dietary supplements and pharmaceutical agents.

Conclusions:

  • Bioactive peptides from food proteins are significant modulators of bodily regulatory processes.
  • Casein-derived peptides have established and emerging applications.
  • Further research into beneficial peptides can drive innovation in functional foods and drugs.