PACKING MATERIAL FOR FOODSTUFFS Russian patent published in 2010 - IPC B65D65/38 

FIELD: transport, package.

SUBSTANCE: invention relates to food industry and can be used for packing purposes. Proposed material represents a film or a sheet and comprises at least one porous layer impregnated with compound including citric acid or citric acid salt, and the product of interaction between natural origin component with solution of water, propylene glycol and glycerine. Note here that said porous layer is made up of material selected from the group comprising cotton, flex, cellulose, foamed copolymer of ethylene and vinyl acetate, and natural latex. Natural origin component represents propylene-glycol or water-propylene-glycol extract of vegetable stock with water content of up to 50 wt %. Said vegetable extract is selected from the group including basswood flowers, plantain leaves, oats husk, rosemary, thyme, pink, sesame seeds and ginger.

EFFECT: improved ability of preserving freshness of foodstuffs.

6 tbl