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<p>In this study, tea tree oil microcapsules (TTOM) were prepared using gelatin/pectin encapsulated tea tree oil. PVA-CG-TTOM active films were prepared by incorporating TTOM into polyvinyl alcohol-cassia gum (PVA-CG) matrix. The effects of different volume ratios of TTOM on the physicochemical and antioxidant properties of the films were investigated. The results indicated that TTOM primarily interacted with the PVA-CG matrix through physical interactions. The incorporation of TTOM significantly improved the film’s hydrophobicity, water vapor barrier properties, and UV-blocking performance. Additionally, the active films exhibited excellent antioxidant activity and flexibility. In the application of preserving <i>Agaricus bisporus</i>, the active film demonstrated good preservation effects, effectively delaying the aging of the fruiting bodies. The developed PVA-CG-TTOM active film shows potential for application in the field of bio-based active packaging materials.</p> Graphical abstract <p></p>

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Polyvinyl alcohol/cassia gum active films loaded with tea tree oil microcapsules: characterization, release kinetics and application in Agaricus bisporus preservation

  • 期刊论文

  • 发表日期：

    2025年10月4日

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  • Xiumei Xi,
  • Jinhang Lu,
  • Kaiyue Wang,
  • Yifan Wang,
  • Xue Zhou,
  • Shasha Zhang,
  • Xiangyou Wang,
  • Xin Han,
  • Juan Wang

摘要

In this study, tea tree oil microcapsules (TTOM) were prepared using gelatin/pectin encapsulated tea tree oil. PVA-CG-TTOM active films were prepared by incorporating TTOM into polyvinyl alcohol-cassia gum (PVA-CG) matrix. The effects of different volume ratios of TTOM on the physicochemical and antioxidant properties of the films were investigated. The results indicated that TTOM primarily interacted with the PVA-CG matrix through physical interactions. The incorporation of TTOM significantly improved the film’s hydrophobicity, water vapor barrier properties, and UV-blocking performance. Additionally, the active films exhibited excellent antioxidant activity and flexibility. In the application of preserving Agaricus bisporus, the active film demonstrated good preservation effects, effectively delaying the aging of the fruiting bodies. The developed PVA-CG-TTOM active film shows potential for application in the field of bio-based active packaging materials.

Graphical abstract