“…However, fish are perishable foods, which generally spoil faster than the other muscle foods. Many useful methods had been reported to postpone the spoil time of fish and keep the freshness of fish, such as edible films and coatings (Abreu et al, 2011), high pressure processing (Karim et al, 2011), irradiation processing (Erkan and Özden, 2007), packaged with modified atmosphere and vacuum (Alak et al, 2011) and so on. However, nearly all the above methods cannot avoid the storage of low temperature which is one of the primary methods to maintain fish freshness (Wang et al, 2003).…”