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Method for improving, by using power-variable ultrasonic waves, frozen fish fillets treated by means of salt-water immersion process
专利权人:
South China University of Technology
发明人:
Dawen Sun,Fen Hu,Xinan Zeng,Wenhong Gao,Qijun Wang
申请号:
GB20150016848
公开号:
GB2526494(B)
申请日:
2013.12.20
申请国别(地区):
英国
年份:
2018
代理人:
摘要:
A method for improving frozen fish fillets treated by way of a salt-water immersion process includes the following steps: pretreating raw fish to obtain fish fillets; precooling the fish fillets; stacking the precooled fish fillets to obtain a fish fillet stack; freezing the fish fillet stack by using a salt-water immersion process, and performing power-variable ultrasonic wave treatment; and feeding the fish fillets into a cold storage, and performing freezing storage at minus 18 degrees centigrade. The power-variable ultrasonic wave treatment includes: firstly treating for 5 to 10 min under the power of 800 to 600 W, and then changing the power to 200 to 600 W for treating for 5 to 15 min. The freezing time of fish flesh is shortened, and formed ice crystals are fine and uniform, thereby preventing the damage of the formed ice crystals to cell walls.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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