Researchers tested their milk-protein film as a packaging for blocks of cheese. Photo: American Chemical Society

Could edible food packaging be the answer to Hong Kong’s plastic waste problems?

Researchers in the US are developing a packaging film similar to store-bought plastic wrap but made of milk protein, which not only reduces the use of plastic but could also prevent food spoilage and waste

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Researchers tested their milk-protein film as a packaging for blocks of cheese. Photo: American Chemical Society
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