However, some negative effects on quality have been found in superchilled fish or fish products.reported that the upper layer of superchilled Atlantion salmon fillets showed freeze damage characterised by the formation of large intra- and extracelluar ice crystals during superchilling. Thus, it may be speculated that superchilling could accelerate the release of the proteolytic enzymes cathepsin B and L from the lysosomes to accelerate fish muscle degradation and increase the amount of myofibre breakages during storage. To mitigate or inhibit such negative changes in quality, cryoprotectants, such as sorbitol, sucrose, and polyphosphates, are normally added to the surimi during processing to ensure the maximum protein quality during superchilling ice, or frozen storage. These commercial cryoprotectants are chosen because of their relatively low cost, wide availability, and excellent cryoprotective effects. A mixture of sorbitol and sucrose can also be used as a freezing point regulaor. In a previous study proved, we demonstrated that the freezing point of common carp surimi was decreased from -1 ℃ to -3 ℃ by the addition of a 4% commercial cryoprotectant blend (sucrose:sorbitol,1:1).