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Conditional sustainability in lignocellulosic packaging systems through a multi-gate barrier design framework.

Pallavi Nautiyal¹, Vijay Laxmi Trivedi¹

¹High Altitude Plant Physiology Research Centre (HAPPRC), H.N.B. Garhwal University, Post Box: 14, Srinagar Garhwal 246174, Uttarakhand, India.

Bioresource Technology

|June 30, 2026

Summary

This summary is machine-generated.

Lignocellulosic packaging offers sustainable alternatives but faces performance challenges. A new Multi-Gate Framework integrates molecular, microstructural, environmental, processing, and circularity factors for optimized, condition-dependent barrier solutions.

Keywords:

Circular bioeconomy Humidity-induced plasticization Lignocellulosic packaging Nanocellulose barrier films Oxygen transmission rate

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Area of Science:

Materials Science
Sustainable Packaging
Chemical Engineering

Background:

Lignocellulosic materials are renewable, biodegradable alternatives to petroleum-based packaging.
Current approaches often isolate barrier metrics, overlooking condition-dependent performance limitations.
Factors like humidity, mechanical stress, and processing variability impact functionality.

Purpose of the Study:

To propose a comprehensive Multi-Gate Framework for evaluating lignocellulosic packaging performance.
To conceptualize packaging functionality as an integrated, condition-dependent system.
To provide a roadmap for developing commercially viable and sustainable lignocellulosic packaging.

Main Methods:

Literature review and conceptual framework development.
Organizing performance determinants into five interdependent 'Gates': Molecular, Microstructural, Environmental, Processing and Scalability, and Circularity and Sustainability.
Systems-level analysis of material properties and external influences.

Main Results:

The Multi-Gate Framework integrates key factors influencing lignocellulosic barrier performance.
Sustainability is framed as a conditional outcome of optimizing across all five Gates.
The framework highlights the interdependence of molecular chemistry, microstructure, environmental stability, scalability, and circularity.

Conclusions:

A holistic, systems-level approach is crucial for advancing lignocellulosic packaging.
Optimizing across the five Gates enables the translation of lab-scale barriers to industrial applications.
The framework facilitates the development of robust, environmentally validated packaging solutions.