ArticlePolymers2023
Co-Plasticization of Starch with Glycerol and Isosorbide: Effect on Retrogradation in Thermo-Plastic Cassava Starch Films.
Article in Polymers, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Engineering Starch for Sustainable Food Packaging: A Critical Review of Structural Limitations, Modification Techniques, and Emerging Active and Intelligent Applications.Comprehensive reviews in food science and food safety · 2026Review
- Optimization of an Active Edible Coating Based on Cassava Starch (Foods (Basel, Switzerland) · 2026Article
- Enhancement of Thermal Sealing and Solubility Properties of Konjac-Glucan/Gelatin Films by Hydroxypropyl Cassava Starch Thermoplastic Effect.Foods (Basel, Switzerland) · 2026Article
- Optimizing Postharvest Edible Coatings for Fruit and Vegetables with Plant-Based Polysaccharides.Foods (Basel, Switzerland) · 2025Article
- Designing Sustainable Packaging Materials: Citric Acid-Modified TPS/PLA Blends with Enhanced Functional and Eco-Performance.Polymers · 2025Article
- Workflow and Practical Guidance for Identical Location Scanning Electron Microscopy: Reliable Tracking of Localized Transformations.Small methods · 2025Article
- Production of Starch-Based Flexible Food Packaging in Developing Countries: Analysis of the Processes, Challenges, and Requirements.Foods (Basel, Switzerland) · 2024Review
- Article
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Thermoplastic starch (TPS) has emerged as an essential alternative to produce environmentally friendly packaging; however, retrogradation is a disadvantage that affects its shelf life. This study analyzed the co-plasticizing effect of isosorbide on the mechanical, thermal, physicochemical, and microstructural properties and the retrogradation of films obtained by blown film extrusion from thermoplasticized starch with mixtures of glycerol and isosorbide in different ratios (3:0, 2:1, 1:2, and 0:3, respectively). The results showed that the higher concentration of isosorbide significantly increased the tensile strength; however, it reduced the elongation. Retrogradation modeled using the Avrami equation showed that the presence of isosorbide reduced the retrogradation rate (k) and modified the recrystallization mechanism (n). The relative crystallinity in the plasticized TPS films was reduced to 89%, and the adsorption significantly decreased. Isosorbide was very important in reducing the retrogradation of TPS. The best performance was obtained with the 2:1 ratio of glycerol/isosorbide due to the synergistic effect between the plasticizers. The results would allow tuning the properties of TPS films by combining glycerol/isosorbide in different ratios, which enables the design of materials tailored to potential application requirements.
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