Dynamic Modulation of SO₂ Atmosphere for Enhanced Fresh-Keeping of Grapes Using a Novel Starch-Based Biodegradable Foam Packaging.

ABSTRACT: To improve the fresh-keeping of highly perishable fruits with high commercial value, a novel starch-based foam packaging material was developed in this study. The foam incorporated the antiseptic ingredient Na₂S₂O₅, which chemically interacted with environmental moisture to release SO₂ as an antifungal agent. Scanning electron microscopy (SEM), moisture absorption and mechanical measurements were used to characterize the unique sandwich-like inner structure of the foam which allowed for the modulable release of SO₂. The starch-based foam exhibited sufficient resilience (~100%) to provide ideal cushioning to prevent physical damage to fresh fruits during transportation. When 25 g/m² of Na₂S₂O₅

SUBMITTER: Mai S 

PROVIDER: S-EPMC10253046 | biostudies-literature | 2023 May

REPOSITORIES: biostudies-literature