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November 14th, 2019 / SciDev.net

A team of scientists in Brazil has developed a biodegradable plastic that could be used for food packaging or carrier bags, by applying ozone gas to cassava starch.

The ozone (O3) gas changes the molecular properties of the starch from the root vegetable to produce a bioplastic 30 per cent tougher than those made of the starch of potato, rice or maize, the researchers say.

The world currently produces around 300 million tonnes of plastic waste every year — equivalent to the weight of the entire human population — according to UN Environment. Read more …