METHOD FOR PRESERVATION OF QUINCE COMPOTE IN JARS SKO 1-82-350 Russian patent published in 2015 - IPC A23L3/04 

FIELD: food industry.

SUBSTANCE: method involves fruits preparation and packing with subsequent treatment in microwave field with 2400+50 MHz frequency during 0.8-1.0 min. Then the fruits are poured with syrup, sealed and sterilised by way of two-stage heating in 80 and 100°C water for 5 and 10 minutes respectively. Then one performs three-stage cooling in 80, 60 and 40°C water. During the whole heat treatment process the jars are subjected to interrupted 2-3-minutes' turning upside down with a frequency equal to 0.133 sec^-1 with a 2-3 minutes' interval.

EFFECT: process duration reduction and the ready product quality enhancement.