Research Topic: alginate

Applications of Natural Polymers in the Grapevine Industry: Plant Protection and Value-Added Utilization of Waste

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Grapevines face significant challenges from drought, extreme temperatures, and fungal diseases. Natural polymers like chitosan, alginate, and cellulose can create protective coatings on grapes that help them retain water, resist pests, and stay healthy. Additionally, waste from grape processing can be recycled into valuable compounds and encapsulated in these polymers for use as plant strengtheners or in food and pharmaceuticals, creating a more sustainable wine industry.

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Use of Limestone Sludge in the Preparation of ɩ-Carrageenan/Alginate-Based Films

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Researchers have developed a method to convert limestone waste from stone quarries into a useful material for making biodegradable plastic films. By dissolving limestone in acid to extract calcium ions, they created a crosslinking solution that strengthens films made from seaweed-derived compounds like alginate and carrageenan. These films show promise as environmentally-friendly alternatives to conventional plastic packaging while helping solve industrial waste problems.

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Extrusion-based additive manufacturing of fungal-based composite materials using the tinder fungus Fomes fomentarius

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Scientists have developed a way to 3D print objects using mushroom mycelium (the thread-like structure of fungi) mixed with seaweed-derived alginate. These lightweight, spongy printed objects are biodegradable and have properties similar to polystyrene foam, but are made from renewable resources. This breakthrough could eventually replace plastic foam in packaging and other applications with an eco-friendly fungal alternative.

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Alginate Edible Films Containing Essential Oils: Characterization and Bioactive Potential

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Scientists created edible films made from alginate (a natural material from seaweed) mixed with essential oils from plants like oregano, thyme, and rosemary. These films could replace plastic packaging for food and have natural antibacterial and antioxidant properties. The oregano oil film worked best, completely stopping the growth of harmful bacteria and fungi while protecting food from oxidative damage.

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