METHOD FOR PRODUCING GRAPE JAM Russian patent published in 2022 - IPC A23B7/01 A23L3/01 

FIELD: food industry.

SUBSTANCE: invention relates to the food industry, and in particular to a method for the production of jam from grapes. The prepared berries are placed in a pulsed electromagnetic field of ultra-high frequency for 15-20 seconds, then they are sent to cooking, which is carried out in two stages with a 15-minute boil in each stage and subsequent cooling of the mass for 10 minutes by increasing the residual pressure in a vacuum apparatus with further exposure to equalize the concentration of sugar in fruits and syrup. The jam is packaged in prepared jars, subjected to microwave heating for 2 minutes, sealed and sterilized according to a three-level high-temperature accelerated mode:

EFFECT: method provides a reduction in the duration of the technological cycle. The content of vitamin C in the finished product is 20% higher than in the product made using traditional technology.

1 cl, 1 ex