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Our community answers question on food safety as defined by official regulations. Questions and answers that contradict that view, are considered off-topic.

24 votes
5 answers
14k views

Can one preserve food by periodically heating it?

I get that keeping food temperature low will slow down chemical reactions and preserve food, but sometimes my sister preserves food by heating it every 6 hours or so (up to 1-2 days). Does this help p …