Is Mushroom A New Solution To The Ever Increasing Plastic Waste?

Mushrooms eating up plastic! Sounds crazy, isn’t it? How can a mushroom eat plastic and solve the problem of plastic waste on earth!

There is always a solution to everything and so even for the decomposition of plastic waste, there are smart and brilliant minds who discovered a mushroom which only eats plastic!

This is not the everyday mushroom which we eat. Austrian designer Katharina Unger together with Julia Kaisinger and Utrecht University in Netherlands researched and found a very useful fungus that could help to convert the plastic into an edible substance!

This useful fungi, scientific name Pestalotiopsis microspora, was first found in 2012 at the jungles of Ecuador by a group of students from Yale’s annual Rainforest Expedition and Laboratory. This fungus was found to survive only by eating the major component of plastic: Polyurethane. Adding to its surprising feature, it is active even in anaerobic environment as well!

The discovery of Pestalotiopsis microspora gave a new hope to the scientists and research was started to find a much better and efficient way to solve the problem of plastic waste throughout the world. Various scientists tried to figure out the solution but Unger was the one who succeeded in this.

Unger tried to convert fly larvae into edible product with the help of Fungi Mutarium. This successful conversion gave her a hope and she started to experiment with other fungus as well.

Unger and Kaisinger set up a mini laboratory to initiate their research. The two common fungi which is commonly consumed- Pleurotus ostreatus also called the oyster mushroom and Schizophyllum commune, a species which is considered as inedible in UK and US was used. The plastic, before feeding it to the fungi, is subjected to ultraviolet (UV) lights. Waste plastic is sterilized and then UV lights are passed through it which causes the molecules of plastic to move apart and break.

The decomposition of plastic using fungus is a part of Fungi Mutarium process. After breaking down of plastic, it is put into pods. These are small egg shaped growth areas and are made of a gelatinous substance called agar.

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