News
26
2024
-
07
How long can a pressure cooker keep warm
The principle of pressure cooker for heat preservation is to rely on heat storage. First of all, the cooked food is placed inside the pot, with the lid tightly closed, the temperature inside the pot will gradually rise, and after reaching a certain temperature, steam is automatically released, thus maintaining the temperature balance inside the pot. At this point, even if the pot away from the heat source, due to the insulation effect of the pot itself, the food can still be maintained at a higher temperature for a period of time, which ensures the taste of food and nutrients.
1. Principle of heat preservation
The principle of pressure cooker for heat preservation is to rely on heat storage. First of all, the cooked food is placed inside the pot, with the lid tightly closed, the temperature inside the pot will gradually rise, and after reaching a certain temperature, steam is automatically released, thus maintaining the temperature balance inside the pot. At this point, even if the pot away from the heat source, due to the insulation effect of the pot itself, the food can still be maintained at a higher temperature for a period of time, which ensures the taste of food and nutrients.
2. holding time
Generally speaking, the holding time of the pressure cooker can be maintained for about 2-4 hours. During this time, the food can be maintained at a higher temperature, and there is basically no great loss of flavor and nutrition. However, as time goes by, the temperature will gradually decrease until it is close to the outside temperature, and the heat preservation effect of the food will be weakened accordingly. Therefore, it is recommended to pour the food into a thermos bottle if a longer insulation effect is required.
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