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<p>Natural coatings composed of biopolymers are an environmentally friendly and effective method that can help preserve fruit after harvest and maintain quality. This review explains how coating materials influence film structure, gas and water vapor permeability, adhesion to fruit surfaces, and sensory quality. The role of active components such as antimicrobials, antioxidants, probiotics, and ethylene scavengers in controlling decay, enzymatic browning, and textural softening is discussed. Recent advances, including composite and nano-enhanced coatings, multilayer systems, and probiotic or nano-encapsulated formulations, are highlighted for their potential to improve mechanical strength, stability, and targeted release of functional compounds. Methods of coating application (dipping, spraying, electrospraying, and layer-by-layer techniques) and key formulation factors affecting uniformity and commercial scalability are also reviewed. Finally, this review outlines major constraints, including variable performance across fruit types, sensory changes, regulatory concerns, and the need for pilot- to industrial-scale validation. Overall, biopolymer-based edible coatings offer a&#xa0;promising strategy for extending shelf life and preserving the nutritional and market quality of fresh fruits in a&#xa0;sustainable way.</p> Graphic abstract <p></p>

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Biopolymer-Based Edible Coatings for Maintaining Postharvest Fruit Quality: A Review

  • 期刊论文

  • 发表日期：

    2026年1月14日

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  • Rishabh Raj,
  • Ashok Kumar Singh,
  • Krishna Negi,
  • Diksha Joshi,
  • Chanchal Tiwari,
  • Neha Devrani,
  • Priyanka Kakkar,
  • Harshita Bora,
  • Tanshu Chaudhary

摘要

Natural coatings composed of biopolymers are an environmentally friendly and effective method that can help preserve fruit after harvest and maintain quality. This review explains how coating materials influence film structure, gas and water vapor permeability, adhesion to fruit surfaces, and sensory quality. The role of active components such as antimicrobials, antioxidants, probiotics, and ethylene scavengers in controlling decay, enzymatic browning, and textural softening is discussed. Recent advances, including composite and nano-enhanced coatings, multilayer systems, and probiotic or nano-encapsulated formulations, are highlighted for their potential to improve mechanical strength, stability, and targeted release of functional compounds. Methods of coating application (dipping, spraying, electrospraying, and layer-by-layer techniques) and key formulation factors affecting uniformity and commercial scalability are also reviewed. Finally, this review outlines major constraints, including variable performance across fruit types, sensory changes, regulatory concerns, and the need for pilot- to industrial-scale validation. Overall, biopolymer-based edible coatings offer a promising strategy for extending shelf life and preserving the nutritional and market quality of fresh fruits in a sustainable way.

Graphic abstract