Packaging container for the cold storage of liquid foods and a method of producing the packaging container

摘要

The disclosure relates to a packaging container for long-term cold storage of liquid foods for retaining superior flavor and aroma properties in the packed product, and produced from a packaging laminate including a core layer of paper or paper-board, an inside aroma barrier layer of PET and a gas barrier layer, by fold formation and sealing of a planar packaging blank so that all contact surfaces vis-a-vis the packed product consist of the PET layer. The disclosure also relates to a method of fold forming and sealing the packaging laminate into a packaging container according to the invention. Good shelf-life after cold storage for at least six weeks at 8° C., or at least 10 weeks at 4° C. will be attained using the packaging container according to the invention.