Yes, rice and flour should be stored separately to prevent cross-contamination and maintain their individual qualities. Flour can absorb odors and moisture, potentially affecting the taste and texture of the rice.
Storing rice and flour separately is crucial for several reasons. Firstly, flour, especially whole wheat flour, tends to absorb odors from its surroundings. If stored near rice, it can impart an undesirable flavor to the rice. Secondly, flour is more susceptible to attracting pests like weevils and moths. Keeping it separate minimizes the risk of these pests spreading to your rice supply. Thirdly, flour can sometimes become slightly damp, which can then affect the rice if they are stored together. This dampness can lead to mold growth or clumping in the rice. Finally, different types of rice and flour have different optimal storage conditions. Separating them allows you to tailor the environment to each product's specific needs, ensuring they both stay fresh for longer. For example, rice might benefit from a slightly drier environment than some types of flour.
Store both rice and flour in airtight containers made of glass, metal, or food-grade plastic. This will not only keep them separate but also protect them from moisture, pests, and odors, extending their shelf life significantly.