You Should Know This 5 Ways To Preserving Fish

kelolalaut.com - Top quality fresh fish are essential for fish preservation. Of all flesh foods, fish is the most susceptible to tissue decomposition, development of rancidity and microbial spoilage. Safe handling of fish is important to reduce your risk of foodborne illness and to produce a quality meal.

1.    Canning, is the expensive process of fish preservation that usually widely used in advanced countries like America, France, Japan, and Spain. This is a lengthy, complicated but very advanced process of preservation. In this process, the best quality fishes are selected and their heads and viscera are removed. Then these eviscerated fishes are treated with brine (saltwater), washed, dried, and cooked in olive oil. Then the cooked fishes are packed in olive oil in tins and sealed and sent to markets.

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2.    Smoking, involved fished that are preserbed by the treatment of wood smoke. There are two types of smoking; hot smoking and cold smoking. For cold smoking, fishes are dried, salted, exposed to the smokeless fire (38°C), and then processed for real smoke at 28°C. For the hot smoking process, fresh fish is used and fish are subjected at 130°C on strong fire which is followed by smoking at 40°C. 

3.    Salting, is a very old and common practice used in fish preservation in many parts of the world. Salting is nothing but the partial dehydration of fishes by osmosis with sodium chloride. Due to intense salting, microbes are killed and diastasis is stopped. In this process before salting, the heads of the fishes are removed, gutted and washed, and then salted as soon as possible. 

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4.    Drying, this is also a very old and common practice of fish preservation adopted by tropical countries like Indonesia, India, Japan, China, and others where sun rays are very powerful to dry the fishes easily. Sunlight is the cheapest and most abundant source of heat energy used for drying purposes.

5.    Deep-freezing, this method of fish preservation is used for large periods of preservation. It is a more effective but costly process. Before freezing, fishes are washed properly and kept at a temperature of -18°C for a longer period. For this process, only the fresh fish in good condition are deep-frozen. Before keeping the fish in this process, the heads of large fishes are removed and they are also gutted and washed. This process is without spoilage and fish can be kept for a longer period.

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