METHOD FOR RAPIDLY AND UNIFORMLY DEFROSTING FROZEN AGRO-FISHERY PRODUCTS/ PROCESSED FOOD

摘要

[Problem] For fisheries industry and the fish processing industry, a high-quality defrosting method for rapidly and uniformly defrosting frozen products without burning or cooking the frozen products is desired, which is indispensable in frequently-used freezing technology. [Solution] The problem can be solved by using, for rapid defrosting, an electromagnetic wave of 130 MHz to 300 MHz in which the required time for passing a B band which is a rate restricting step is small, a 110 MHz to 170 MHz electromagnetic wave for uniform defrosting, and a 110-160 MHz electromagnetic wave which causes a small temperature increase after defrosting in order to prevent the frozen products from being cooked or burnt during irradiation or after defrosting.