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Related Concept Videos

Peptide Identification Using Tandem Mass Spectrometry01:33

Peptide Identification Using Tandem Mass Spectrometry

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Tandem mass spectrometry, also known as MS/MS or MS2, is an analytical technique that employs two mass analyzers. Essentially it is a series of mass spectrometers that helps isolate a particular biomolecule and then helps study its chemical properties.
This technique helps gather information regarding the protein from which the peptide was obtained and to study the peptides’ amino acid sequence. Identifying peptides from a complex mixture is an important component of the growing field of...
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Protein Digestion01:02

Protein Digestion

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Protein digestion begins in the stomach, where the highly acidic environment can easily disrupt protein structure by exposing the peptide bonds of polypeptide chains. After polypeptide chains are broken into individual amino acids by a series of digestive enzymes, the amino acids are transported to the liver via the bloodstream to produce energy.
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Microorganisms in Agriculture and Food industry01:27

Microorganisms in Agriculture and Food industry

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Microorganisms play a crucial role in agriculture and the food industry, contributing to soil fertility, crop protection, and food production. Their functions range from nitrogen fixation and biopesticide production to fermentation and food preservation, making them indispensable to sustainable farming and food safety.Role in AgricultureNitrogen-fixing bacteria, such as Rhizobium (symbiotic) and Azotobacter (free-living), convert atmospheric nitrogen into ammonia through biological nitrogen...
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Peptide Bonds02:43

Peptide Bonds

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A peptide bond covalently attaches amino acids through a dehydration reaction. One amino acid's carboxyl group and another amino acid's amino group combine, releasing a water molecule. The resulting bond is the peptide bond. The products that such linkages form are peptides. As more amino acids join this growing chain, the resulting chain is a polypeptide. Each polypeptide has a free amino group at one end. This end has the N-terminal, or the amino-terminal, and the other end has a free...
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Related Experiment Video

Updated: Aug 16, 2025

Author Spotlight: Peptidome Extraction from Small Extracellular Vesicles Isolated from Bone Marrow-Derived Macrophages
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Special Issue: Food Bioactive Peptides.

Leticia Mora1, Fidel Toldrá1

  • 1Instituto de Agroquímica y Tecnología de Alimentos (CSIC), Avenue Agustín Escardino 7, 46980 Paterna, Spain.

International Journal of Molecular Sciences
|December 23, 2022
PubMed
Summary

This special issue explores bioactive peptides from food and by-products. It covers extraction, purification, characterization, and their health benefits through various mechanisms.

Area of Science:

  • Molecular Biology
  • Food Science
  • Biochemistry

Background:

  • Focuses on bioactive peptides derived from food sources and food by-product hydrolysates.
  • Investigates methodologies for the efficient extraction and purification of these valuable peptides.
  • Explores the structural and functional attributes of bioactive peptides.

Discussion:

  • Examines the intricate mechanisms of action underlying peptide bioactivity.
  • Connects peptide structure and function to their potential health-promoting effects.
  • Highlights the significance of food by-products as a sustainable source of bioactive peptides.

Key Insights:

  • Bioactive peptides possess diverse functionalities relevant to human health.
  • Advanced extraction and purification techniques are crucial for isolating potent peptides.

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  • Understanding molecular mechanisms is key to harnessing peptide therapeutic potential.

    • Outlook:

    • Future research directions in peptide-based functional foods and nutraceuticals.
    • Potential applications in disease prevention and health management.
    • Sustainable utilization of food industry by-products for high-value peptide recovery.