Reply to Roasted potatoes left out (mostly) overnight. Good to eat?

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[quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous]Rice grows bacteria quickly (and just reheating will not remedy) when left out not sure if potatoes have same issue.[/quote]
I’ve left rice out overnight my entire life and we’re all still kicking.[/quote]

The bacteria in question grows the fastest at hot but not boiling temps. The usual scenario is that there are existing spores of b cereus in rice, you cook it and put it in a big bowl or a deep container. You then leave it on the counter or even put it in the fridge where it doesn’t cool quickly, and the center stays in that happy Goldilocks zone of 80 degrees F where the bacteria multiplies and produces their toxin. If that happens, you either get the vomiting illness from the toxin, or diarrhea from the bacteria when it takes up digs in your small intestine and produces the toxin there. You then assume that it was a 24h stomach bug or food poisoning and forget about it.

I use a rice cooker and I leave it in there, heated, and then store in shallow 2 qt cambro containers in the fridge. I have definitely had food poisoning from b cereus a bunch of times, mostly fried rice from takeout etc. It’s one of the most common causes of food poisoning. Most of the commercial rice sold in the us, especially brown rice, have tested positive for b cereus spores. [/quote]

I use a rice cooker several times a week for over 30 years and have never gotten food poisoning from leftover rice. After cooking, I leave it on the counter to cool while I’m eating dinner and after dishes are washed, I put the whole thing in the fridge. Throughout the week, I’ll take some out and microwave it or make fried rice.[/quote]

And this is why sample size of “n=1” is not used in scientific studies! I never wore a bike helmet, swam in the lake behind my grandma’s house unsupervised, and jumped on a death trap rusty trampoline every summer of my childhood and never had an injury, but I wouldn’t recommend it![/quote]

There are parts of India where rice is left out overnight along with water, and had for breakfast in the morning. This pre-dates refrigeration (my grandma and her mom's time). Hopefully n&gt;1 million is sufficient.

https://www.youtube.com/watch?v=ChIKXDS8_WU
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