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Scientists convert plastic bottles into vanilla flavouring

A new technique uses enzymes to turn plastic bottles into Vanillin, a chemical close to natural vanilla that is used widely in the food and cosmetics industries. It's an important bulk chemical used to make pharmaceuticals, cleaning products and herbicides.
Dr Joanne Sadler from the University of Edinburgh is one of those behind the discovery.

(Photo: Plastic bottles Credit: Getty images)

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2 minutes