Pickling is a method of preserving food by immersing it in a brine, vinegar, or other acidic solution. This process helps to prevent the growth of bacteria and other microorganisms, allowing the food to be stored for longer periods of time. Pickling can be used to
From Wikipedia
Pickling is the process of preserving or extending the shelf life of food by either anaerobic fermentation in brine or immersion in vinegar. The pickling procedure typically affects the food's texture and flavor. The resulting food is called a pickle, or, if named, the name is prefaced with the word "pickled". Foods that are pickled include vegetables, fruits, mushrooms, meats, fish, dairy and eggs.