PEAR AND QUINCE COMPOTE PRESERVATION METHOD Russian patent published in 2015 - IPC A23L3/04 

FIELD: food industry.

SUBSTANCE: method is as follows: before pouring in syrup the jars with fruits packed into them are treated in the UHF field with a frequency equal to 2450 MHz during 1.5-2.0 minutes, poured with 97-98°C syrup, repeatedly treated with the UHF field during 2.0-2.5 minutes; the jar contents is heated to 98-100°C with subsequent sealing, maintained in an air flow heated to 100-105°C during 10 minutes in a position turned upside down and cooled with 20-25°C air at a rate of 8-9 m/sec during 12 minutes; the jar is subjected to interrupted 2-3-minutes' turning upside down with a frequency equal to 0.13 sec^-1 with a 2-3 minutes' interval.

EFFECT: boiled and cracked fruits quantity reduction and improvement of structural-and-mechanic indices of the ready product.