PURPOSE OF THE INVENTION

This invention relates to a method for preserving the fresh juice of fruits, especially citrus fruits and pomegranates, cold-preserved (0-8° C.), and can be used for the juices of other fruits and vegetables or mixtures of these. The preservation of the juice is achieved through the proper disinfection of the raw material, the minimum oxygen content inside the container, after packaging the recently squeezed juice, and the modification of the atmosphere in the headspace between the juice and the container lid.

The purpose of the invention is to preserve the juice with no type of thermal treatment before or after packaging, for a minimum of nine days, deferring its oxidation and maintaining all of the natural properties of the fresh juice.

BACKGROUND OF THE INVENTION

There are different processes that allow fruit juices to be preserved using the application of gases.

Specifically, invention patent ES 2080484 describes a method for preserving juice from fresh fruits and mixtures of fruit juices where, following the disinfection of the fruit and corresponding juice extraction, this juice is gasified with a gaseous mixture based on oxygen and carbon dioxide, carrying out the hermetic sealing of the container and rapid cooling of the juice in the container.

The gaseous mixture, due to containing oxygen, leads to the premature oxidation of the product, in this case the juice, meaning its preservation is limited, or in other words, the organoleptic properties of the juice, such as its taste, aroma, colour, etc., deteriorate over time precisely due to the existence of this oxygen in contact with the product.

