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From Fields to Films: Exploring Starch from Agriculture Raw Materials for Biopolymers in Sustainable Food Packaging
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This review explored how starch extracted from agricultural crops can be used to create biodegradable packaging films as alternatives to conventional plastics. The study surveys different starch sources and processing methods, highlighting the potential for plant-based biopolymers to reduce the food-packaging industry's heavy reliance on fossil fuel-derived plastics.
In the wake of escalating global concerns over the environmental impact of plastic pollution, there has been an unprecedented call for sustainable alternatives. The food-packaging industry, responsible for a staggering 40% of global plastic consumption, faces mounting challenges driven by environmental degradation and concerns about fossil fuel depletion. Motivated by these challenges, there is a growing interest in reducing reliance on traditional packaging and exploring eco-friendly solutions derived from renewable resources. Eco-efficient packaging, specifically derived from agricultural raw materials, emerges as a promising solution that aligns with ecological, economic, and social sustainability principles. Starch, abundant and versatile, emerges as a frontrunner among agricultural raw materials for biopolymers. Its inherent properties, including low cost, availability, biodegradability, and biocompatibility, make it a compelling choice. Starch-based bioplastics, with their potential to replace synthetic primary packaging materials, have gained traction due to their satisfactory mechanical and barrier properties. This review delves into the realm of starch-based films and coatings for food applications. It explores fundamental properties, advantages, and limitations, offering insights into potential improvements through various treatments or additive combinations. As technological advances drive the popularity of biodegradable starch-based packaging, this review aims to contribute to the ongoing discourse, providing a comprehensive overview and paving the way for more functional and widely applicable products in the ever-evolving landscape of sustainable packaging.
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This review explores how starch-based biopolymers can replace conventional plastic products in agriculture, including mulch films, packaging, and soil amendments. Researchers found that starch bioplastics are biodegradable under natural conditions and can reduce the accumulation of microplastics in agricultural soils. The study highlights the potential of these bio-based materials to support more sustainable farming practices while reducing plastic pollution.
A Review on Biopolymer-Based Biodegradable Film for Food Packaging: Trends over the Last Decade and Future Research
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This systematic review explores biodegradable packaging made from natural materials like starch and proteins as alternatives to conventional plastics. Reducing plastic packaging is important because traditional plastics break down into microplastics that contaminate food and the environment.
Agricultural Waste-Derived Biopolymers for Sustainable Food Packaging: Challenges and Future Prospects
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This review examines how agricultural residues such as rice husks, corn cobs, and fruit peels can be converted into biodegradable polymers as sustainable alternatives to conventional plastic food packaging. Key biopolymers discussed include cellulose, starch, proteins, PHA, and PLA, with findings highlighting promising properties alongside ongoing challenges in cost, mechanical performance, and food safety compliance.
Biopolymers as green‐based food packaging materials: A focus on modified and unmodified starch‐based films
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This study characterized the ingestion and excretion dynamics of polystyrene microplastics in marine copepods, finding that particles passed through the digestive system rapidly but caused measurable feeding inhibition during exposure. The temporary reduction in phytoplankton consumption during microplastic presence has implications for copepod energy budgets and ocean carbon cycling.
Starch/Pectin as Emerging Renewable Materials for Fabrication of Sustainable Bioplastics for Food Packaging Applications
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Not relevant to microplastics — this paper describes the development of biodegradable food packaging films made from plant-based starch, pectin, and chitosan, focused on replacing conventional plastics rather than studying their pollution.
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