process of preserving, by either anaerobic fermentation in brine or immersion in vinegar

Pickling is a method of making food last longer. In pickling, the food is put either into vinegar, or in salt water (called brine). This food is often put in an airtight jar. Pickling also changes the flavour of the food.

Pickled cucumbers
Pickled herring
Selection of Indian pickles

The key to pickling is that it produces low pH, 4.6 or lower.[1] This kills most bacteria. Pickling can preserve perishable foods for months. Anti-microbial herbs and spices, such as mustard seed, garlic, cinnamon or cloves, are often added.[2]

Common pickled foods include eggs, onions and other vegetables.

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  Media related to Pickled food at Wikimedia Commons