There are some essential foods in every kitchen which have been lying for a long time. Many foods are in our kitchens for years. That is why many times we think of throwing them out, as we think it must have been spoiled by now. However, according to expert nutritionists, you may need to reconsider before throwing out some foods. Nutritionists believe that people throw away certain foods as they do not know about the extent to which they can keep them.