Oxyguard Containers
(Cup, Pouch, Tray)

Containers with a superior food preservation property by having the function of absorbing oxygen, a cause of deterioration for the quality of food products.

Features of Oxyguard containers (cup, pouch, tray)

  • POINT1Containers with superior food preservation property

    High barrier property is attained by using the oxygen scavenging material developed by Toyo Seikan in the middle layer of the multi-layer structure. They not only prevent penetration of oxygen from the outside but also absorb residual oxygen trapped inside the container.
    Oxyguard containers can reduce deterioration of contents during retort sterilization and storage to prevent browning, change in color and flavor, and the degeneration of ingredients (vitamin, etc.). Depending on applications, there may be no need to insert deoxidant, simplifying production process and preventing accidental ingestion of the deoxidant.

    Oxyguard comes in the form of a cup, pouch or tray. As the first plastic cup, Oxyguard cup enabled coffee drinks or soup to be sold hot.

    Structure of Oxyguard

    Preservation property of Oxyguard

  • POINT2Microwavable

    Although the oxygen scavenger is iron-based, Oxyguard can be heated in a microwave oven as long as there is no aluminum foil layer in the multi-layer structure.

  • POINT3Retortable

    Retortable type can undergo retort sterilization.

Main applications

Food (cooked rice, baby food, soup, rice congee, fruit sauce, vegetables, etc.), beverage (coffee, etc.), medical supplies (outer pouch for IV bag, etc.)
Cosmetics (face pack, etc.)

Product lineup

Type Package Applications Supply format
Mid to high moisture Tray Cooked rice Sheet roll
Cup Portion cup for fruit sauce
Pouch Face pack Film roll
Retort sterilization Up to 105˚C Pouch Outer pouch for IV bag Pouch
Up to 121˚C Cup Baby food, vegetables Cup

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Structure of Oxyguard

The oxygen scavenger developed by Toyo Seikan is used in the middle of the multi-layer structure with a barrier layer on the outside and a polyethylene or polypropylene layer on the inside. This layer structure prevents penetration of oxygen from the outside with the external barrier layer, while the oxygen scavenging layer absorbs surviving incoming oxygen. Residual oxygen inside the container is also absorbed by the oxygen scavenging layer


Oxygen scavenger

Oxyguard uses iron-based oxygen scavenger. The activation of oxygen absorption requires water and starts when the moisture inside reaches approximately 70%.
Absorption is accelerated by the heat from retort sterilization.

Effect of Oxyguard


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