Researchers in Malaga have developed a bioplastic from cellulose, offering a biodegradable alternative to plastic food packaging that extends product shelf life.
Researchers at the Institute of Subtropical and Mediterranean Horticulture La Mayora (IHSM, UMA-CSIC) in Algarrobo have developed a new bioplastic made from cellulose, aiming to create sustainable food packaging. This material, derived from a mixture of commercial cellulose and glycerol, offers key advantages such as biodegradability, water repellency, and extended food preservation capabilities. In tests, items like biscuits stayed fresh for up to a week, significantly outperforming conventional paper-based packaging.
The research team is focusing on creating an eco-friendly alternative to plastic, targeting transparency, elasticity, and strength. Unlike traditional plastics, the cellulose-based bioplastic degrades naturally in environments like seawater, making it highly suitable for reducing environmental pollution. This development comes as part of the broader movement to replace plastics made from fossil fuels with sustainable options that also align with circular economy goals.
One of the primary challenges the team faces is enhancing the bioplastic's water resistance, as cellulose alone has limitations in holding liquids and sealing properly. However, the researchers are optimistic about the potential of the material. They are also experimenting with incorporating agricultural waste, such as residues from potato and tomato processing, which could further strengthen the environmental credentials of the packaging.
Currently in the experimental phase, this bioplastic has the potential to revolutionize packaging for various food products, from bakery items to fast food. The researchers are focused on scaling the production of this material, with hopes of making it commercially viable. They envision this cellulose-based bioplastic replacing traditional plastic films used for wrapping bread, cakes, and other goods, offering a biodegradable and efficient solution for the food industry.
With growing concerns about plastic pollution, the introduction of bioplastics that perform well while minimizing environmental impact is seen as a crucial step forward. The IHSM researchers are part of a global push to find alternatives to single-use plastics, which are harmful to ecosystems and difficult to recycle. By collaborating with industry partners and conducting life-cycle assessments, they aim to ensure that the environmental benefits of the bioplastic outweigh its production and distribution costs.
The team is also looking at how this new bioplastic can be integrated into existing packaging supply chains without major disruptions. If successful, the material could help food producers reduce their plastic footprint while maintaining food safety and shelf life. The development of biodegradable alternatives like this cellulose bioplastic could play a key role in achieving global sustainability goals, particularly in reducing reliance on non-renewable resources and minimizing waste.
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