Aquatic products tunnel type liquid nitrogen quick freezer sd-s-1500kg

  Application of keweigani liquid nitrogen quick freezer in aquatic products
Liquid nitrogen is colorless, tasteless, transparent, slightly soluble in water and easy to flow
Liquid nitrogen is non-toxic and non irritating, and its chemical properties are quite stable
Liquid nitrogen quick-frozen food technology began its research in the United States as early as the 1950s, and was officially applied to the quick-frozen food industry in 1960
Liquid nitrogen quick freezing technology has the advantages of fast freezing speed, short freezing time, good quality of frozen food and no pollution
It is a green food processing technology
In recent years, the world frozen food industry has continued to grow, and frozen food has become the most dynamic part of the food industry
In China, the annual consumption of frozen food is increasing year by year
With the continuous improvement of people's demand for high-quality frozen food, liquid nitrogen ultra-low temperature freezing technology will be widely used in the quick-frozen food industry

 
Liquid nitrogen quick freezing technology has been widely used in the quick freezing of aquatic products such as shrimp, whitebait, biological crab and abalone
The research shows that the shrimp treated by liquid nitrogen quick freezing technology can maintain high freshness, color and taste
In addition, some bacteria may be killed or stopped breeding at low temperature, so as to meet high sanitary requirements

 
For silverfish, the research shows that there is no difference in texture, taste and appearance between thawed silverfish and fresh silverfish, and the dry consumption is only 0
5%
The appearance, smell and taste quality of liquid nitrogen quick-frozen crab after thawing are no different from that of live crab, and the total bacteria number of thawed crab is half an order of magnitude lower than that of live crab, which is more safe
The taste and texture of abalone thawed by liquid nitrogen quick freezing treatment are also quite high

 
Generally speaking, the fish body contains 70 ~ 80% water
When the temperature drops to 0 ~ - 5 ℃, most of the water in the fish body freezes, resulting in large ice crystals, which is called the maximum ice crystal generation area
The faster the freezing speed, the shorter the time to pass through the maximum ice crystal formation area, and the better the quality of frozen products
Therefore, the quality of fish is closely related to the freezing speed

 
In the rapid freezing of liquid nitrogen, with the destruction of phase equilibrium, the heat rapidly diffuses into the surrounding medium, and the internal redistribution of matrix components is weak, which makes the initially formed ice crystal stable and small
In this way, the water penetration is small and the precipitation is weakened, which can greatly reduce the denaturation of protein
Therefore, the freezing of liquid nitrogen has the greatest reversibility
The fish body sprayed with liquid nitrogen is hard, the surface is adhered by white liquid nitrogen frost particles, the meat is white, the tissue is fine, thawing and cooking taste, and still maintains the original tissue shape, color, flavor and flavor

 
Beijing keweijiani company is the largest and largest professional manufacturer of liquid nitrogen quick freezing equipment in China
After observation and research, the customers found that the yellow croaker treated with keweijiani quick freezing machine maintained its original body surface color and solid muscle after thawing
Keweijiani company adheres to the spirit of integrity, dedication, unity and forge ahead, and implements one-stop service for each food processing enterprise
No matter the size of the enterprise or the enterprise under planning and construction, keweigani can meet the needs of the enterprise
In addition, in order to ensure the maximization of the economic benefits of the enterprise, vegani will make a correct and credible feasibility industry analysis before the enterprise investment, so as to ensure the maximization of the investment benefits of the enterprise

For more questions about liquid nitrogen quick freezer, please contact: Xu Fengqing 15801148486