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The principle of Kombucha, the ancestral mongolian drink which consists in making some sweetened black tea ferment with some yeast, inspires once again university researchers in their research to find an alternative to the animal leather. Indeed, during the manufacturing of the sour drink, a gelatinous skin of mycelium develops on the surface of the macerating liquid. By filtering then by drying this jelly of fibers of cellulose, the researchers of Iowa State University can get flexible sheets, from beige to brown tones quite similar to real leather, despite a bigger sensibility to the humidity and the cold, and a good but quick biodegradability. Eventually the goal would be to replace the animal leather in the production of clothes, shoes, handbags and other classic applications. A vegan leather someway...
More info on Iowa State University's website here