Coffee and tea lovers rejoice—your favorite drinks could soon be giving a boost to the shelf life of food products! Scientists have developed a new process that uses spent coffee or tea grounds to create an edible film that can help preserve food products with natural ingredients. The film is made up of a mix of carbohydrate polymers and spent coffee grounds or tea, and it was found to be effective at extending the shelf life of food products. The film can be applied to a variety of food products, including fresh fruit and vegetables, cheese, and bakery items. It is also edible and biodegradable, making it a more sustainable option compared to other food preservatives. The potential of this new film to help extend shelf life and reduce waste is exciting, and we look forward to seeing it used in food products in the future!

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source: Phys.org