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Modding rice cooker to increase "keep warm" temperature - bad idea?

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--- Quote from: IanB on September 27, 2023, 03:01:46 pm ---
--- Quote from: Doctorandus_P on September 26, 2023, 03:19:57 pm ---Yes, anything below a certain temperature (I think 70 degrees centigrade) can promote bacterial growth. Especially in a wet and nutrient rich environment.

--- End quote ---

While this is true in general (though the safe temperature is more like 60 C), a lower temperature is not necessarily a problem for a rice cooker. While the rice is cooking it is pretty effectively sterilized by the boiling water and steam, and then as long as the lid stays on it is protected against contamination from the surroundings. So as long as the rice is eaten within a reasonable time (for example within an hour or two) then everything should be safe. But you wouldn't want to keep it warm for 24 hours though.

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If you forget there's rice in a rice cooker, and leave it on "keep warm" for 24 hours, the rice is still fine. I think the keep warm temperature is chosen to be above the biologically safe line, and below the point where the rice continues to significantly cook and turn into congee.


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