The article presents the studies of the influence of ultrasonic treatment on the speed and quality of fish fillet defrosting - cod and tilapia. The results of physical and chemical studies of ultrasonically treated defrosted fish are presented. A laboratory installation for carrying out experimental work has been described. A method for fish fillet defrosting using an ultrasonic generator is proposed. It's been established that the use of ultrasonic treatment significantly shortens the term of

more »

... he defrosting process and does not affect the organoleptic parameters of the quality of fish fillet defrosting. Optimum mode of equipment operation is selected.