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<p>This study investigates the production of bioplastic sheets from starch-based food waste (banana and potato peels) and cellulose-based floral waste (flower petals) as an eco-friendly alternative to petroleum-based packaging. Composite bioplastic films were prepared using glycerol, sorbitol, and glucose as plasticizers. Physical, chemical, and biological properties of the films were analyzed, including thickness, chemical resistance, water solubility (25–31.5%), moisture content, swelling percentage (50–55%), biodegradability, Fourier-transform infrared spectroscopy (FTIR), and scanning electron microscopy (SEM). Results showed that increasing plasticizer content increased film thickness, with glycerol outperforming sorbitol in terms of bioplastic swelling and water solubility. Films made with potato peels exhibited superior moisture content, swelling, and water solubility resistance compared to those made from banana peels. Sorbitol-plasticized films had higher water resistance and lower hygroscopicity than glycerol-plasticized films due to stronger hydrogen bonding. Chemical resistance testing revealed that all films were insoluble in oxalic acid and sodium hydroxide, but partially soluble in sulfuric acid and HCl for floral waste-based films. Biodegradability tests indicated that banana peel bioplastics degraded by 28% in 10&#xa0;days, while potato peel bioplastics showed lower degradation (less than 10%). FTIR and SEM analyses further demonstrated the structural and compositional differences, with the C=O bond providing additional strength in cellulose-based bioplastics. The study concludes that bioplastic production from food and floral waste is a viable option, offering enhanced environmental sustainability by reducing reliance on nonrenewable resources.</p>

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Comparative Analysis of Bioplastic Sheets Derived from Biowaste Using Various Plasticizers

  • 期刊论文

  • 发表日期：

    2025年1月5日

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  • S. Abhitha,
  • P. Amulya,
  • Aman Dubey,
  • BVS Praveen,
  • P. Madhuri

摘要

This study investigates the production of bioplastic sheets from starch-based food waste (banana and potato peels) and cellulose-based floral waste (flower petals) as an eco-friendly alternative to petroleum-based packaging. Composite bioplastic films were prepared using glycerol, sorbitol, and glucose as plasticizers. Physical, chemical, and biological properties of the films were analyzed, including thickness, chemical resistance, water solubility (25–31.5%), moisture content, swelling percentage (50–55%), biodegradability, Fourier-transform infrared spectroscopy (FTIR), and scanning electron microscopy (SEM). Results showed that increasing plasticizer content increased film thickness, with glycerol outperforming sorbitol in terms of bioplastic swelling and water solubility. Films made with potato peels exhibited superior moisture content, swelling, and water solubility resistance compared to those made from banana peels. Sorbitol-plasticized films had higher water resistance and lower hygroscopicity than glycerol-plasticized films due to stronger hydrogen bonding. Chemical resistance testing revealed that all films were insoluble in oxalic acid and sodium hydroxide, but partially soluble in sulfuric acid and HCl for floral waste-based films. Biodegradability tests indicated that banana peel bioplastics degraded by 28% in 10 days, while potato peel bioplastics showed lower degradation (less than 10%). FTIR and SEM analyses further demonstrated the structural and compositional differences, with the C=O bond providing additional strength in cellulose-based bioplastics. The study concludes that bioplastic production from food and floral waste is a viable option, offering enhanced environmental sustainability by reducing reliance on nonrenewable resources.