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Updated: Aug 29, 2026

Design and Optimization Strategies of a High-Performance Vented Box
Published on: June 9, 2023
From mustard (Brassica juncea) to packaging: anthocyanin chromism and glucosinolate co-additives yield UV-shielding,
Xuena Yu1, Hongqin Guo2, Hongmei Di1
1College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China.
Abstract:
This study aimed to develop a bio-based intelligent packaging film using mustard (Brassica juncea) as a single-crop resource, integrating leaf-derived anthocyanins as pH-responsive indicators and seed-derived glucosinolate-rich extracts as multifunctional additives in an alginate-starch matrix. Glucosinolate incorporation enhanced ultraviolet shielding, antioxidant activity, and intermolecular interactions, resulting in improved barrier and mechanical properties. Among the formulations, the film containing 6 wt% glucosinolates exhibited optimal performance, achieving a tensile strength of 15.47 MPa, elongation at break of 29.09%, and reduced water-vapor and oxygen permeability. This optimized film effectively delayed increases in pH, total volatile basic nitrogen, and microbial growth in chilled salmon. Moreover, film color variation displayed strong correlations with freshness indicators, enabling visual monitoring and extending shelf life to 6 days. These findings show that mustard-derived anthocyanin-glucosinolate films provide a sustainable strategy for intelligent packaging with simultaneous freshness indication and preservation functions.
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