关键词：食品包装袋;packaging;sustainable;edible;household;preserve;currently;ubiquitous;instance;hopes;
摘 要：The plastic film ubiquitous in every household might soon become edible.~1 Scientists in the USA are developing a more sustainable version of the plastic film from milk protein which will help to cut both food and plastic waste.Scientists are developing an edible form of packaging which they hope will preserve food more
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