Don't try to store a loaf of bread in the refrigerator if you want it to stay fresh--refrigeration is the quickest way to make bread go stale.
Check any package of bacon, hotdogs, or cold cuts and chances are you'll find nitrites listed among the ingredients.
During the middle ages the invention of gunpowder had the unlikely result of providing a new way of preserving meat.
Everyone knows you should put spinach and berries in the refrigerator, but how do cooler temperatures keep most fruits and vegetables from spoiling rapidly?
Some methods of preserving food are easy to understand, but did you know that sugar helps to preserve food by causing microbes to literally die of thirst?
What makes canning last longer than refrigeration? Learn more on this Moment of Science.
Produce from family farm plots lasts much longer than before, meaning that families don’t need to send girls out every day to sell produce, but can send them to school instead.
For example, onion, garlic, oregano, and allspice alone all kill or inhibit up to twenty-nine different kinds food-borne bacteria. In fact, most spices inhibit bacteria to some extent.