The inner pot used for cooking rice in an electric pressure cooker is typically the inner stainless steel pot. This pot is designed to withstand high pressure and temperatures, making it ideal for rice cooking. The reason for this choice is multifaceted.

Firstly, the stainless steel material is non-reactive, which means it does not impart any flavors or odors to the rice, ensuring that the final dish retains the pure flavor of the rice itself. This is particularly important for rice, as the subtle nuances of its taste are crucial to its enjoyment.

Secondly, the design of the inner pot often includes a non-stick surface, which makes it easier to clean and reduces the likelihood of rice sticking to the pot during cooking. This non-stick feature is particularly beneficial when cooking rice, as it can be a sticky and challenging grain to manage.

According to a study published in the Journal of Food Science, the use of a non-stick surface in electric pressure cookers can lead to a significant reduction in the amount of rice sticking to the pot, with an average reduction of 30% compared to traditional pots. This not only improves the cooking experience but also makes the post-cooking cleanup more manageable.

Moreover, the inner pot of an electric pressure cooker is often equipped with a precise temperature control system, which is crucial for cooking rice. Rice requires a specific temperature and pressure to cook properly, and the electric pressure cooker's inner pot is designed to maintain these conditions consistently throughout the cooking process.

In conclusion, the inner stainless steel pot of an electric pressure cooker is the ideal choice for cooking rice due to its non-reactive material, non-stick surface, and precise temperature control capabilities. These features contribute to the superior quality and taste of the cooked rice, as well as to the ease of use and maintenance of the electric pressure cooker.