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<p>This study focuses on biodegradable films with improved functional qualities for food preservation to provide environmentally acceptable and sustainable packaging solutions. These cutting-edge films respond to the packaging industry’s increasing need for eco-friendly substitutes. Composites of chitosan (CS) and polyvinyl alcohol (PVA), biodegradable films augmented with the beneficial properties of Aloe vera gel (AG) and <i>Terminalia Arjuna</i> extract (TAE) were developed. Evidential characterization involved FTIR, SEM, XRD, camera imaging, and mechanical analysis. The evaluation covered thickness, moisture content, optical activity, solubility, antifogging effect, antioxidant, biodegradability, and antibacterial activity to provide suitability for food packaging. FTIR confirmed functional moieties and interlinking while XRD and SEM showed structure (amorphous, porous and homogeneous). Films exhibited prominent antibacterial potential against <i>S. aureus</i> and <i>E. coli</i>. The entire film variants exhibited notable levels of biodegradability, showcasing a weight reduction of up to 94.24%. Additionally, application on fruits revealed promising outcomes in terms of biodegradability, thus offering a compelling environmentally sustainable alternative for packaging. The shelf life of model fruits significantly enhanced, indicating a substantial improvement in preservation capabilities.</p> Graphical Abstract <p></p>

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Extending Shelf Life of Grapes and Tomato: The Efficacy of Chitosan/PVA Films Strengthened by Terminalia Arjuna Extract and Aloe Vera Gel

  • 期刊论文

  • 发表日期：

    2025年4月18日

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  • Sohail Shahzad,
  • Sibtain Ahmed,
  • Ayesha Aslam,
  • Asma Yaqoob,
  • Khayala Mammadova,
  • Ahmad Kaleem Qureshi,
  • Rehana Masood,
  • Ariba Farooq,
  • Muhammed Arshad,
  • Areej A. Al-khalaf,
  • Wael N. Hozzein,
  • Mohamed Mohany

摘要

This study focuses on biodegradable films with improved functional qualities for food preservation to provide environmentally acceptable and sustainable packaging solutions. These cutting-edge films respond to the packaging industry’s increasing need for eco-friendly substitutes. Composites of chitosan (CS) and polyvinyl alcohol (PVA), biodegradable films augmented with the beneficial properties of Aloe vera gel (AG) and Terminalia Arjuna extract (TAE) were developed. Evidential characterization involved FTIR, SEM, XRD, camera imaging, and mechanical analysis. The evaluation covered thickness, moisture content, optical activity, solubility, antifogging effect, antioxidant, biodegradability, and antibacterial activity to provide suitability for food packaging. FTIR confirmed functional moieties and interlinking while XRD and SEM showed structure (amorphous, porous and homogeneous). Films exhibited prominent antibacterial potential against S. aureus and E. coli. The entire film variants exhibited notable levels of biodegradability, showcasing a weight reduction of up to 94.24%. Additionally, application on fruits revealed promising outcomes in terms of biodegradability, thus offering a compelling environmentally sustainable alternative for packaging. The shelf life of model fruits significantly enhanced, indicating a substantial improvement in preservation capabilities.

Graphical Abstract