Storing a pressure cooker sealing gasket (also known as a pressure cooker ring or rubber gasket) in the fridge after use is a common practice for some people, and it does have some scientific basis to it. It's not a myth, but it's not a necessary step for everyone, and the effectiveness can vary depending on the specific gasket material and the conditions of use.
The main reason people store the pressure cooker sealing gasket in the fridge is to extend its lifespan and maintain its sealing properties. Here's how it works:
Heat Resistance: Pressure cooker gaskets are typically made of rubber or silicone, which can be susceptible to damage from heat and exposure to high temperatures. When the gasket is exposed to heat during cooking, it can start to deteriorate and lose its elasticity over time. Cooling the gasket in the fridge after use can help reduce the impact of high temperatures and slow down the degradation process, potentially prolonging its life.
Preservation of Flexibility: Cold temperatures can help maintain the flexibility and resilience of the rubber or silicone gasket. A supple gasket is more likely to create a proper seal when the pressure cooker is in use, ensuring efficient cooking and preventing steam leaks.
Preventing Odor Absorption: Storing the gasket in the fridge can also help prevent it from absorbing odors from the surrounding environment. This is particularly relevant if you cook highly aromatic foods that could leave residual smells on the gasket.
It's important to note that not all pressure cooker manufacturers recommend refrigerating the gasket, and some modern gaskets are designed to withstand the rigors of cooking without requiring cold storage. Always refer to the manufacturer's instructions for proper care and storage of your specific pressure cooker gasket.
If you choose to refrigerate your pressure cooker gasket, here are some tips:
- Make sure the gasket is clean and dry before placing it in the fridge.
- Store it in a sealed container or a ziplock bag to prevent cross-contamination with other foods.
- Avoid storing the gasket near foods with strong odors to prevent odor absorption.
Remember that gaskets have a limited lifespan, and eventually, they will need replacement. If you notice signs of wear, cracking, or loss of elasticity in your pressure cooker gasket, it's time to replace it to ensure safe and efficient cooking.