or freezing flour. When stored properly, some types of flour can remain usable for a year or longer. Be sure to label containers with the purchase or storage date so you can keep track of their age.
The Science Behind Flour Spoilage
Flour can spoil because its natural oils gradually break down and become rancid. Exposure to air, heat, light, and moisture can accelerate this process. Mold and other microorganisms can also develop if flour becomes damp or is stored improperly. Understanding these causes of spoilage highlights the importance of
