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<p>Food packaging has evolved from passive containment to dynamic systems that actively monitor and communicate product quality. Traditional intelligent packaging technologies such as sensors, indicators, and RFID tags have established significant potential in extending shelf-life and ensuring food safety. However, the reliance on synthetic dyes and nonbiodegradable materials has raised concerns regarding sustainability and consumer health. Recent advances in natural pigments, particularly anthocyanins and other plant-derived compounds, offer eco-friendly alternatives for pH-sensitive freshness indicators. Moreover, digital sensing technologies such as RFID, NFC, and smartphone-based applications enable real-time data transmission and supply chain transparency. This review proposes a hybrid approach that integrates natural pigment-based indicators with digital sensing platforms to create multifunctional, sustainable packaging solutions. These systems provide dual benefits: visible colorimetric cues for consumers and wireless data for industry stakeholders. By bridging analog and digital monitoring, hybrid intelligent packaging can reduce food waste, enhance consumer trust, and align with global sustainability goals. Future research should focus on pigment stability, biopolymer compatibility, cost-effective scaling, and regulatory frameworks to accelerate the adoption of these next-generation packaging systems.</p> Graphical Abstract <p></p>

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A review of hybrid intelligent packaging systems: Integrating natural pigments with digital sensing for sustainable food safety

  • 期刊论文

  • 发表日期：

    2026年5月14日

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  • Arshi Siddiqui,
  • Navin Chandra Shahi,
  • Iqbal Hussain,
  • Sanjay Kumar,
  • Rahul Das,
  • Yogesh Kumar

摘要

Food packaging has evolved from passive containment to dynamic systems that actively monitor and communicate product quality. Traditional intelligent packaging technologies such as sensors, indicators, and RFID tags have established significant potential in extending shelf-life and ensuring food safety. However, the reliance on synthetic dyes and nonbiodegradable materials has raised concerns regarding sustainability and consumer health. Recent advances in natural pigments, particularly anthocyanins and other plant-derived compounds, offer eco-friendly alternatives for pH-sensitive freshness indicators. Moreover, digital sensing technologies such as RFID, NFC, and smartphone-based applications enable real-time data transmission and supply chain transparency. This review proposes a hybrid approach that integrates natural pigment-based indicators with digital sensing platforms to create multifunctional, sustainable packaging solutions. These systems provide dual benefits: visible colorimetric cues for consumers and wireless data for industry stakeholders. By bridging analog and digital monitoring, hybrid intelligent packaging can reduce food waste, enhance consumer trust, and align with global sustainability goals. Future research should focus on pigment stability, biopolymer compatibility, cost-effective scaling, and regulatory frameworks to accelerate the adoption of these next-generation packaging systems.

Graphical Abstract