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<p>Plastic pollution poses a severe threat to both aquatic and terrestrial ecosystems. This study aims to develop a biodegradable plastic using banana (<i>Musa paradisiaca</i>) peels and evaluate its biodegradability using soil-isolated bacteria. The central research question investigates the effectiveness of banana peel-derived bioplastic and its degradation potential by local bacterial strains. Bioplastic was synthesized from starch-rich banana peels through a standardized formulation process. Soil samples were collected from plastic dumping sites in Kharota Syedan, Sialkot, and Eimanabad, Gujranwala, Pakistan. Bacterial strains were isolated via serial dilution and pure culturing techniques. Biodegradability was assessed over 15&#xa0;days using minimal media inoculated with individual bacterial isolates. FTIR spectroscopy was used to analyze the chemical structure before and after degradation. The bioplastic exhibited biodegradability rates between 32.3% and 38.9% across different bacterial strains. <i>Bacillus thuringiensis</i> showed the highest degradation efficiency in minimal media. FTIR analysis confirmed the breakdown of complex molecular structures, supporting evidence of successful biodegradation. Bioplastic derived from banana peels demonstrates strong potential as an eco-friendly substitute for conventional plastics. With comparable material properties and superior biodegradability, it could significantly reduce environmental plastic pollution and promote sustainable material alternatives.</p> Graphical Abstract <p></p>

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Valorization of Musa paradisiaca Peel Waste for Bioplastic Production: A Study on Microbial Degradation Dynamics

  • 期刊论文

  • 发表日期：

    2025年7月23日

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  • Muhammad Talha,
  • Afshan Syed Abbas,
  • Faiza Jabeen,
  • Ali Hussain,
  • Itrat Zahra,
  • Sumaira Aslam,
  • Iram Yousaf,
  • Muhammad Awais,
  • Manel Ben Ali,
  • Amor Hedfi

摘要

Plastic pollution poses a severe threat to both aquatic and terrestrial ecosystems. This study aims to develop a biodegradable plastic using banana (Musa paradisiaca) peels and evaluate its biodegradability using soil-isolated bacteria. The central research question investigates the effectiveness of banana peel-derived bioplastic and its degradation potential by local bacterial strains. Bioplastic was synthesized from starch-rich banana peels through a standardized formulation process. Soil samples were collected from plastic dumping sites in Kharota Syedan, Sialkot, and Eimanabad, Gujranwala, Pakistan. Bacterial strains were isolated via serial dilution and pure culturing techniques. Biodegradability was assessed over 15 days using minimal media inoculated with individual bacterial isolates. FTIR spectroscopy was used to analyze the chemical structure before and after degradation. The bioplastic exhibited biodegradability rates between 32.3% and 38.9% across different bacterial strains. Bacillus thuringiensis showed the highest degradation efficiency in minimal media. FTIR analysis confirmed the breakdown of complex molecular structures, supporting evidence of successful biodegradation. Bioplastic derived from banana peels demonstrates strong potential as an eco-friendly substitute for conventional plastics. With comparable material properties and superior biodegradability, it could significantly reduce environmental plastic pollution and promote sustainable material alternatives.

Graphical Abstract