maintaining optimum freshness and quality of starch and cereal dishes according to standards, store

          Corn, wheat, rice, and oats are favorite grains for making cereals. All cereals keep best in airtight containers that keep out moisture, dust and insects. At home, a tightly sealed plastic bag is sufficient protection. Always look for a “use-by” date on the package. Crispness can be restored to ready-to-eat cereal by spreading it in a baking pan and putting it in a 350 °F oven for 5 minutes. Instant hot cereals keep up to one year in their original box, but a tightly covered container is better. Since whole-grain cereals are rich in natural oils, purchase containers that do not have a rancid odor. Store whole-grain cereals in tightly covered containers or sealed plastic bags in the refrigerator where they should remain fresh for 5 months. When stored at room temperature, they will stay fresh one month. And just same to starch that must be keep in airtight containers  : Example images on how to proper storing in starch and cereals : Here are some examples on how to m