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Related Concept Videos

Bioremediation00:46

Bioremediation

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Bioremediation is the use of prokaryotes, fungi, or plants to remove pollutants from the environment. This process has been used to remove harmful toxins in groundwater as a byproduct of agricultural run-off and also to clean up oil spills.
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Types of Step-Growth Polymers: Polyesters01:20

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The introduction of polyesters has brought major development to the textile industry. The wrinkle-free behavior of polyester blends has eliminated the need for starching and ironing clothes.
Polyesters are commonly prepared from terephthalic acid and ethylene glycol; the crude product is known as poly(ethylene terephthalate) or PET. However, polyesters are synthesized industrially by transesterification of dimethyl terephthalate with ethylene glycol at 150 °C. The two reactants and the...
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  1. Home
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  5. Engineering
  7. Materials Engineering
  9. Polymers And Plastics
  11. From Waste To Technological Products: Bioplastics Production From Proteins Extracted From The Black Soldier Fly

From Waste to Technological Products: Bioplastics Production from Proteins Extracted from the Black Soldier Fly

Alessia Di Pasquale1, Marina Zoccola2, Ashish Mohod2

  • 1Department of Applied Science and Technology, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy.

Polymers
|June 13, 2025

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View abstract on PubMed

Summary
This summary is machine-generated.

Researchers developed sustainable bioplastics using Black Soldier Fly (BSF) larvae proteins and polyvinyl alcohol (PVA). Increased BSF protein content enhanced biodegradability but reduced thermal and mechanical properties, offering a promising eco-friendly alternative.

Area of Science:

  • Materials Science
  • Biotechnology
  • Sustainable Chemistry

Background:

  • Conventional plastics pose environmental challenges, driving demand for sustainable alternatives.
  • Bioplastics offer a promising solution for pollution reduction and resource valorization.
  • Black Soldier Fly (BSF) larvae convert organic waste into valuable biomass, suitable for material development.

Purpose of the Study:

  • To produce and characterize bioplastics from polyvinyl alcohol (PVA) and proteins extracted from BSF larvae.
  • To investigate the effect of varying BSF protein content on bioplastic properties.
  • To assess the potential of insect-derived proteins in creating sustainable polymer films.

Main Methods:

  • Proteins were extracted from defatted BSF larvae using superheated water hydrolysis.
Keywords:
Black Soldier Flybiofactorybioplasticshigh-value products

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  • Bioplastic films were fabricated by blending PVA with hydrolyzed BSF proteins in various ratios.
  • Films were analyzed for morphological, physical-chemical, mechanical, and biodegradability characteristics.

    • Main Results:

    • Bioplastics incorporating BSF proteins were successfully produced.
    • Higher BSF protein content led to decreased thermal stability and mechanical strength.
    • Increased BSF protein content correlated with enhanced biodegradability, wettability, solubility, and moisture absorption.

    Conclusions:

    • BSF larvae represent a valuable, sustainable resource for bioplastic production.
    • The developed bioplastics offer an alternative to conventional polymers.
    • This research contributes to the transition towards sustainable materials and circular economy principles.
    polyvinyl alcohol
    proteins