A packaging article for containing and holding food products includes a barrier layer for limiting permeability of oxygen through and into the article and an oxygen scavenging layer, which oxygen scavenging layer together with a second plastic material is contained within a cavity in a first plastic material forming walls, bottom(s) and lid(s) of the packaging article, which first plastic material is suitable for contact with food products. A method of manufacturing a packaging finished in one injection molding cycle includes placing the barrier layer in a mold, injecting the first plastic material suitable for contact with food products into the mold, and injecting the second plastic material with the oxygen scavenger into the mold.

An oxygen scavenger packaging material includes, in this order, an inner layer containing a thermoplastic resin, an intermediate layer containing an oil-resistant paper, and an outer layer containing a thermoplastic resin, the oil-resistant paper containing no fluorine; and the oxygen scavenger packaging material includes an inner side air hole that passes through the inner layer and the intermediate layer, and an outer side air hole that passes through the outer layer.

Provided are: an oxygen absorbent material containing a base material (I), an inorganic layer (II), and a cured product layer (III) of an epoxy resin composition containing an epoxy resin and an epoxy resin curing agent that includes an amine-based curing agent, where the inorganic layer (II) and the cured product layer (III) are adjacent to each other; and a method for storing an article, the method including an aspect in which the article is accommodated in a packaging material in which the oxygen absorbent material described above is enclosed, and/or an aspect in which the article is accommodated in a packaging material at least partially including the oxygen absorbent material described above, and the packaging material has an oxygen transmission rate of 1 cc/(m2.Math.day.Math.atm) or less.

The present invention relates to a kit for improving food shelf life comprising a sheet-like element component and an alkaline component. The sheet-like element component comprises a particulate filler comprising a mineral a binder and an oxygen scavenger. The oxygen scavenger is a compound comprising at least two phenolic hydroxyl groups, which can be deprotonated by the alkaline component, thus activating the oxygen scavenger. Further aspects of the present invention relate to an activated sheet-like element formed from the inventive kit, a process for the manufacture of a kit for improving shelf life, a process for the manufacture of a sheet-like element component, a process for activating the sheet-like element component, a supply device comprising the activated sheet-like element, a food packaging comprising the activated sheet-like element and the use of the kit or the activated sheet-like element in a food packaging and for prolonging food shelf life.