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Packaging Materials Grown From Mushrooms

Packaging Materials Grown From Mushrooms

It's one thing to create bio-based resins from food crop feedstocks. It's another to produce them using sugar cane trash and other plant waste to avoid competing with human food and animal feed crops. But what if you could just grow your biomaterials and plastic replacements, avoiding all the time- and resource-consuming steps in the polymer creation cycle? Ecovative has figured out how to do this by growing mushroom roots on plant trash, and it is expanding its operations by partnering with Sealed Air, the inventor of Bubble Wrap.

The two companies will work together to "accelerate the production, sales, and distribution of Ecovative's EcoCradle Mushroom Packaging," the companies said in a brief joint press release.

Ecovative's plastics are based on mycelium, or mushroom roots. The company bills them as alternatives to petrochemical-based materials, such as the extruded polystyrene foam, or Styrofoam, used for packaging heavy items during shipping.

The EcoCradle Mushroom Packaging material is grown in a process in which a fungal network of threadlike cells digests agricultural wastes, such as plant stalks and seed husks. The process binds the cells into a structural material like a self-assembling glue. No water, light, or fertilizer is required for growth, and the used material can be composted aerobically or anaerobically in consumers' backyards.

A blend of agricultural byproducts is cleaned and inoculated, or planted, with mycelium. This process does not involve spores. An automated process fills grow tray forms with the mixture. When the material has reached the desired shape and size, its growth is stopped through dehydration and heat treatment.

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