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What is the purpose of foil or plastic seals on food containers in the first place?

And how can leaving one on an open container mess with its freshness?

Looking for answers, we reached out to two germ experts.

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Jack A. Gilbert is a Professor of Pediatrics at the University of California San Diego.

Whether the seal is still there or not isnt a factor.

Its sole purpose is to get it from the factory to your kitchen safely.

But your best bet it to just accept that seals were meant to be broken…and discarded.

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