Absorbent pad to preserve freshness for consumer food storage

摘要

The present disclosure is directed to an absorbent pad having an active agent to preserve food products or other perishable merchandise, that has a pad architecture, including the specific arrangement of the absorbent layers and active agents in the absorbent pad, that affects the availability and timing of release of the active agents to preserve the freshness of food products that are stored at home by a consumer in the consumer's own food storage containers.

主权项

1. A food package comprising:
a consumer food storage container, the container comprising:
a bottom;side walls connected to the bottom to form a top opening; anda preformed cover removably fitted to the top opening, wherein the cover can be opened and re-closed by a consumer; an absorbent pad for the container, the absorbent pad comprising:
a body having an architecture comprising in the following order from top to bottom:
a top layer;a first tissue layer, wherein the top layer is separate from the first tissue layer;a second tissue layer, wherein the second tissue layer is separate from the first tissue layer;a third tissue layer, wherein the third tissue layer is separate from the second tissue layer;a fourth tissue layer, wherein the fourth tissue layer is separate from the third tissue layer; anda bottom layer, wherein the bottom layer is separate from the fourth tissue layer;wherein the first and second tissue layers form a first pocket, andwherein the third and fourth tissue layers form a second pocket, wherein the first, second, third and fourth tissue layers and, thus, the first and second pockets, are separate from the top and bottom layers, and wherein the first and second pockets have an active agent therein; anda superabsorbent material or membrane disposed between the second and third tissue layers, wherein the superabsorbent material or membrane delays activation of the active agent in the first pocket with respect to activation of the liquid-activated active agent in the second pocket;wherein the active agent in the first pocket comprises an antimicrobial and an atmosphere modifier, wherein the atmosphere modifier is selected from a group consisting of: a CO2 generator, an O2 scavenger, an ethylene scavenger, and any combinations thereof, and wherein the active agent in the first pocket and in the second pocket is liquid-activated,wherein the architecture of the absorbent pad and placement of the active agent in relation to the absorbent layer are structured so that a portion of the atmosphere modifier generates a modified atmosphere in the container when activated by a liquid, and wherein the active agent has an unexpended portion that regenerates the modified atmosphere in the container once the cover has been opened and re-closed.