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An ancient basin for fish preservation in Tyritake, Crimea A fish-drying rack in Norway. Fish preservation is the method of increasing the shelf life of fish and other fish products by applying the principles of different branches of science in order to keep the fish, after it has landed, in a condition wholesome and fit for human consumption.
An effective method of preserving the freshness of fish is to chill with ice by distributing ice uniformly around the fish. It is a safe cooling method that keeps the fish moist and in an easily stored form suitable for transport. It has become widely used since the development of mechanical refrigeration, which makes ice easy and cheap to produce.
Fish are preserved through such traditional methods as drying, smoking and salting. [2] 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 ...
Different food preservation methods have different impacts on the quality of the food and food systems. Some traditional methods of preserving food have been shown to have a lower energy input and carbon footprint compared to modern methods. [3] [2] Some methods of food preservation are also known to create carcinogens.
Drying fish is a method of food preservation that works by removing water from the fish, which inhibits the growth of microorganisms. Open-air drying using sun and wind has been practiced since ancient times to preserve food. [21] Fish are also preserved through such traditional methods as smoking and salting. [22]
Curing can be traced back to antiquity, and was the primary method of preserving meat and fish until the late 19th century. Dehydration was the earliest form of food curing. [ 1 ] Many curing processes also involve smoking , spicing , cooking , or the addition of combinations of sugar , nitrate , and nitrite .
Foods that are pickled include vegetables, fruits, mushrooms, meats, fish, dairy and eggs. Pickling solutions are typically highly acidic, with a pH of 4.6 or lower, [1] and high in salt, preventing enzymes from working and micro-organisms from multiplying. [2] Pickling can preserve perishable foods for months, or in some cases years. [3]
Sea salt being added to raw ham to make prosciutto. Salting is the preservation of food with dry edible salt. [1] It is related to pickling in general and more specifically to brining also known as fermenting (preparing food with brine, that is, salty water) and is one form of curing.