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Related Experiment Videos

Dietary bioactive peptides

P R Roberts1, G P Zaloga

  • 1Department of Anesthesia, Bowman Gray School of Medicine, Wake Forest University, Winston-Salem, NC 27157-1009.

New Horizons (Baltimore, Md.)
|May 1, 1994
PubMed
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Dietary peptides, or hydrolyzed protein fragments, are absorbed and can influence bodily functions. Diets that produce these peptides are superior for nutrition, impacting metabolic responses and physiological effects.

Area of Science:

  • Nutrition Science
  • Gastroenterology
  • Biochemistry

Background:

  • Hydrolyzed protein fragments, known as peptides, are absorbed from the small intestine into circulation.
  • These peptides can exert local or systemic effects, acting as signaling molecules.
  • Bioactive peptides influence cellular metabolism and physiological processes, including vasoregulation and neurotransmission.

Purpose of the Study:

  • To explore the role and impact of dietary peptides in enteral nutrition.
  • To understand how different nitrogen sources (amino acids, peptides, intact proteins) affect physiological responses.
  • To investigate the concept of bioactive peptides in explaining diet-dependent physiological variations.

Main Methods:

  • Review of experimental evidence on peptide absorption and function.

Related Experiment Videos

  • Analysis of comparative studies on different dietary nitrogen sources for enteral nutrition.
  • Exploration of the concept of bioactive peptides and their potential applications.

    • Main Results:

    • Dietary peptides are absorbed and can act as signaling molecules with diverse physiological roles.
    • Enteral nutrition diets capable of producing luminal peptides demonstrate superior outcomes.
    • The source protein influences the specific peptides generated, impacting metabolic responses.

    Conclusions:

    • Bioactive dietary peptides play a significant role in modulating physiological responses.
    • The production of luminal peptides is a key factor in the efficacy of enteral nutrition.
    • Understanding peptide bioactivity opens avenues for targeted nutritional strategies and research into biogenic amine administration.