Abstract: The thawing time of frozen block food is shortened by subjecting the frozen food to low power sound energy having a frequency in the relaxation frequency spectrum of the ice crystals in the frozen food and having a sound pressure level in the range of about 150-300 dB.
Type:
Grant
Filed:
April 16, 1984
Date of Patent:
March 12, 1985
Assignee:
The United States of America as represented by the Secretary of Commerce