The sun drying is popular fish processing in Sri Lanka. Fresh fish rapidly deteriorates unless some way can be found to preserve it. Drying is a method of food preservation that works by removing water from the food, which inhibits the growth of microorganisms. Open air drying using sun and wind has been practiced since ancient times to preserve food. Water is usually removed by evaporation: air drying, sun drying, smoking or wind drying.Dried fish is an important commodity consumed for centuries in Sri Lanka which plays a significant role in nutrient security, livelihood, and foreign exchange similar to fresh fish production.The oldest traditional way of preserving fish was to let the wind and sun dry it. Drying food is the world's oldest known preservation method, and dried fish has a storage life of several years. The method is cheap and effective in suitable climates the work can be done by the fisherman and family, and the resulting product is easily transported to market.
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