PicklingĀ is one of the oldest methods of food preservation. Before the invention of modern refrigeration, pickling was the only way to preserve various foods for future consumption. Generally, pickling began as a method to preserve foods that are either exotic or seasonal and limited by nature and cultivation. The traditional way of preparing long-lasting pickles in the Oriental style uses ingredients such as salt, oil, and dry chili powder mixed with condiments. These ingredients are added according to set proportions.