It is sometimes convenient to categorize packages by layer or function: primary, secondary, etc. 1  Primary packaging is the material that first envelops the product and holds it. 2  Secondary packaging is outside the primary packaging, and may be used to prevent pilferage or to group primary packages together.
Does Corn Need To Be Refrigerated? Corn does not typically need to be refrigerated in order for it to be safe to eat. You will want to be aware of the fact that the longer you keep your corn in the refrigerator, the more flavor and vitamins you will lose, so it will not have quite as much nutritional value or taste to it.
During the summer months when it is available fresh, it is most often cooked and eaten on the cob. Sweet corn is also cut off the cob and eaten as a vegetable side dish or added as an ingredient to other dishes, such as soups, stews, casseroles, and salads.The corn can be cut from the cob, raw or cooked, and then preserved by canning or freezing for future use.o store corn, leave the corn in the husk and refrigerate as soon as possible. If corn has been husked, place it in a plastic bag and store in the refrigerator. It is best to eat it as soon as possible. Corn cut off the cob can be frozen for 6 months to a year.