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Trends in Sustainability and Innovative Food Packaging Materials: An Overview
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Researchers reviewed sustainable food packaging innovations aimed at reducing the 1.3 billion tons of food wasted annually, examining how novel materials — including biobased and active packaging — can extend shelf life while cutting the greenhouse gas emissions and resource waste associated with conventional plastic packaging.
Globally, 1.3 billion tons of food are wasted or lost every year. This loss is valued at US $2.6 trillion and accounts for 8-10% of greenhouse gas emissions (GHG). Food waste is a significant source of greenhouse gas emissions and results in a waste of natural resources. Therefore, reducing food waste can help diminish GHG emissions, improve food security, and promote healthy food systems. Packaging plays an important role in protecting food, enhancing quality and safety, and reducing food losses. Innovative and sustainable packaging strategies are necessary to decrease waste accumulation, particularly of plastics, safeguard food quality and safety, and reduce food losses and waste. Sustainable packaging aims to enhance the effectiveness of design and the use of environmentally friendly materials. This review provides an overview of the sustainable status of common packaging materials such as plastic, glass, metal, and paper/cardboard based on the circular economy, which includes recycling, reuse, composting, and bio-based packaging. The study examines new developments in food packaging materials in response to the growing demand for environmentally sustainable alternatives. Several applications from food companies and sustainable studies are discussed regarding continuous availability without impacting the environment. Ongoing research and technological advancements, such as material reduction, the development of innovative new materials like bio-plastics, and improvements in recycling, will contribute to increasing the acceptance of sustainable packaging. Definitions, requirements, limitations, legislation, and applications of sustainable packaging are explored. Sustainable packaging can stimulate economic growth and offer new opportunities for companies, notably by helping the environment and reducing the carbon footprint. However, the cost of sustainable packaging can still be challenging for small businesses. Determining whether consumers are willing to pay more for sustainable packaging is also crucial in this transition.
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This review surveys the landscape of plastic food packaging — from conventional polyethylene and PET to emerging smart and biodegradable materials — examining how plastics protect food, how they degrade into microplastics, and how innovators are responding to mounting environmental pressure. It covers advanced technologies like nanomaterial-based packaging, active systems that extend shelf life, and IoT-enabled smart packaging. The paper contextualizes microplastic pollution as a growing concern driving the packaging industry toward bio-based and circular alternatives.
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This review analyzes the state of sustainable packaging innovation in the context of growing environmental and regulatory pressure to move away from single-use plastics. The authors examine advances in eco-friendly materials alongside barriers to adoption - including economic constraints and infrastructure gaps - and propose collaborative, policy-driven strategies to align the packaging industry with circular economy goals.
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