Keep food fresh with this bacteria-killing packaging
https://www.ntu.edu.sg/news/detail/bacteria-killing-food-packaging-that-keeps-food-fresh
"made from a type of corn protein called zein, starch and other naturally derived biopolymers, infused with a cocktail of natural antimicrobial compounds (see video). These include oil from thyme, a common herb used in cooking, and citric acid, which is commonly found in citrus fruits... stayed fresh for seven days before developing mould"
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