like in a store bought bolognaise sauce, how does the meat in it stay safe to eat? the ones where it has the part on the lid that u press to check it hasn’t been unsealed.
i love meat sauces but genuinely just curious about what happens to it that makes it able to be kept in a jar out of the fridge for months and it still being safe to eat?
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Jarred and canned pasta sauces are pasteurized, which basically heats them hot enough to sterilize them, killing all bacteria inside of them. This means that as long as the jar or can isn’t damaged or opened, the stuff inside is bacteria-free and will last years in many cases – check the date.
Once you open that jar, you expose everything inside to the outside air, and there’s no guarantee that it’s bacteria-free any more. Which is why most of those jars will also say something like “consume within 7 days after opening” or something to that effect.
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