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Related Experiment Video

Updated: Sep 23, 2025

A Simple Fractionated Extraction Method for the Comprehensive Analysis of Metabolites, Lipids, and Proteins from a Single Sample
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Protein by-products: Composition, extraction, and biomedical applications.

Pejman Ghaffari-Bohlouli1, Hafez Jafari1, Nayere Taebnia2

  • 13BIO-BioMatter, Faculty of engineering, Free University of Brussels (ULB), Brussels, Belgium.

Critical Reviews in Food Science and Nutrition
|May 13, 2022
PubMed
Summary

Animal by-products can be recycled into valuable proteins for nutrition and biomedical uses, offering a sustainable solution to waste management and resource scarcity. This review covers recent advances in their extraction and applications.

Keywords:
Animal by-productsbiomedical applicationsextractionproteins

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Area of Science:

  • Biomaterials Science
  • Biotechnology
  • Sustainable Chemistry

Background:

  • Growing global challenge of animal by-product accumulation, posing risks of contamination and disease transmission.
  • Animal by-products are rich sources of proteins with potential for high-value applications.
  • Sustainable recycling of these materials addresses both waste management and resource scarcity.

Purpose of the Study:

  • To review recent (last five years) studies on the separation and biomedical applications of animal-derived proteins.
  • To provide an overview of protein composition, extraction, and purification techniques.
  • To highlight the diverse biomedical uses of proteins recovered from animal by-products.

Main Methods:

  • Literature review focusing on studies published within the last five years.
  • Analysis of protein composition from various animal by-products.
  • Examination of diverse extraction and purification methodologies.
  • Survey of documented biomedical applications.

Main Results:

  • Identification of various animal by-products as protein-rich resources.
  • Overview of established and emerging techniques for protein extraction and purification.
  • Documentation of a wide spectrum of biomedical applications for these proteins.
  • Highlighting the sustainability benefits of recycling animal by-products.

Conclusions:

  • Recycling animal by-products into proteins is a viable and sustainable strategy.
  • Extracted proteins offer significant potential for nutritional, pharmacological, and biomedical applications.
  • Further research into efficient extraction and novel applications is warranted.