Prawn shells and grape skins turned into biodegradable packaging

(From left) NTU research officer Lee Pei Pei; Professor William Chen, director of NTU’s Food Science and Technology Programme; and PhD student Tan Yun Nian with the food-grade packaging. PHOTO: NTU
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SINGAPORE - Prawn shells, orange peels and apple cores get tossed into the rubbish bin every day without a second thought.

But scientists here have found a way to turn them into chitin, a biopolymer that can in turn be made into food-grade packaging using a completely organic process.

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