Wouldn’t mold or mold spores have to somehow be present already to develop? I don’t understand how this happens with sealed containers or in houses if mold isn’t already present to begin festering. I’ve always been confused how it just appears out of thin air? Like where does it come from 😭
In: Chemistry
Small amounts of mold and mold spores are present basically everywhere, and if it doesn’t come from inside your house, it comes in with air from outdoors.
“Sealed” packages just contain food that was grown in a field or packaged in a factory so they would not automatically be 100% mold-free because it’s been packed up.
There are methods of packing (canning) where you kill any possible mold with heat before sealing it, and it will last almost forever. Shelf-stable foods like prepackaged snacks aren’t exactly sterilized in this way, but they use lower-moisture recipes or contain preservatives that make them a poor environment for mold or bacteria to grow.
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