Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Safety evaluation for a biodiesel process using prion-contaminated animal fat as a source.

Björn Seidel1, Martin Alm, Rainer Peters

  • 1Fraunhofer Institute for Molecular Biology and Applied Ecology, Auf dem Aberg 1, 57392 Schmallenberg, Germany. bjoern.seidel@ime.fraunhofer.de

Environmental Science and Pollution Research International
|April 15, 2006
PubMed
Summary

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Aligning Horizon Scanning Approaches with Differing Needs and Topics at the Science-Policy Interface on Chemicals, Waste, and Pollution.

Environmental science & technology·2026
Same author

EU Omnibus proposal increases pesticide risks.

Science (New York, N.Y.)·2026
Same author

A Call to Action: Engaging with the Intergovernmental Science-Policy Panel on Chemicals, Waste and Pollution.

Environmental science & technology·2026
Same author

Emerging contaminants in sediments of a tributary to the Yangtze river in the Three Gorges Reservoir Area: Fate, ecological risk assessment, and prioritization for management.

Journal of hazardous materials·2026
Same author

Simulated sunlight exposure as a prerequisite for the biodegradation of persistent microplastics.

Journal of hazardous materials·2025
Same author

Deciphering the constraints of pure bacterial strains for the complete catabolism of sulfamethoxazole: A proteomic and kinetic study.

Biodegradation·2025

Biodiesel production from prion-contaminated animal fat significantly reduces pathogenic prion protein (PrP(Sc)). This process offers a safer and more economical alternative to burning high-risk animal materials, converting waste into valuable fuel.

Area of Science:

  • Biotechnology
  • Biochemistry
  • Waste Management

Background:

  • Bovine spongiform encephalopathy (BSE) and other transmissible spongiform encephalopathies (TSEs) pose risks due to pathogenic prions (PrP(Sc)).
  • Specified risk material (SRM) and animal meat and bone meal (MBM) are banned from food/feed chains and typically incinerated.
  • Prions are implicated in human diseases like variant Creutzfeldt-Jakob disease (vCJD).

Purpose of the Study:

  • To evaluate the safety and efficacy of producing biodiesel from prion-contaminated animal fat.
  • To assess the reduction of pathogenic prion protein (PrP(Sc)) during the biodiesel manufacturing process.
  • To explore a more economical use for high-risk animal materials.

Main Methods:

  • Animal fat was intentionally contaminated with scrapie-infected hamster brain material.

Related Experiment Videos

  • Biodiesel production via transesterification was performed under scaled-down laboratory conditions.
  • Products were analyzed using Western blotting to detect PrP(Sc) levels.

    • Main Results:

    • Each step of the biodiesel production process demonstrated a significant reduction in PrP(Sc) concentration.
    • Analysis confirmed that the main and side products contained substantially lower levels of pathogenic prions.
    • The overall process effectively mitigated the prion contamination in the animal fat.

    Conclusions:

    • Biodiesel production from prion-contaminated fat is a safe process under the tested conditions.
    • This method provides a safer and more economically viable alternative to the incineration of high-risk animal materials.
    • Further independent analysis is recommended for different process conditions and materials.