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Bacterial Phb Synthesis Using Agricultural Waste For Bioplastics

Author

Listed:
  • Aakash Pawar

    (Department of Environmental Science, K.T.H.M. College, Nashik, Maharashtra, India)

  • Dr. B. S. Yadav

    (Department of Environmental Science, K.T.H.M. College, Nashik, Maharashtra, India)

  • Prerana Belekar

    (Department of Biological Sciences, School of Science, Sandip University, Nashik, Maharashtra (India))

  • Sneha Desai

    (Department of Biological Sciences, School of Science, Sandip University, Nashik, Maharashtra (India))

Abstract

Polyhydroxybutyrate (PHB) is a biodegradable and renewable biopolymer with the potential for sustainable plastic production. This study explores the utilization of agricultural waste streams as feedstock for PHB synthesis through bacterial fermentation, addressing both plastic pollution and agricultural waste valorization. Approximately 90 million tons of oil-equivalent agricultural waste remain underutilized, presenting a viable source for biopolymer production. PHB accumulation was optimal with glucose as a carbon source and peptone as a nitrogen source. Pretreated sugarcane bagasse, maize cob, teff straw, and banana peel also supported PHB biosynthesis. Targeting specific bacterial metabolic pathways enhances waste-to-PHB conversion, contributing to economic and environmental sustainability. Fourier Transform Infrared Spectroscopy (FTIR) confirmed the presence of C–H, CH₂, C=O, and C–O functional groups. Biodegradability assessment and UV-Vis spectrophotometric analysis validated PHB’s potential for bioplastic applications. This study underscores the role of agricultural waste in sustainable polymer production, aligning with global environmental and economic goals.

Suggested Citation

  • Aakash Pawar & Dr. B. S. Yadav & Prerana Belekar & Sneha Desai, 2025. "Bacterial Phb Synthesis Using Agricultural Waste For Bioplastics," International Journal of Research and Innovation in Applied Science, International Journal of Research and Innovation in Applied Science (IJRIAS), vol. 10(8), pages 199-211, August.
    • Handle: RePEc:bjf:journl:v:10:y:2025:i:8:p:199-211
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