Method of removing sulfur odors from packages

A - Human Necessities – 23 – L

Patent

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Details

A23L 3/3427 (2006.01) A23L 3/3445 (2006.01) B65D 81/26 (2006.01)

Patent

CA 2571173

An article, such as a polymeric film, sachet, purge control pad, or label, includes a sulfur scavenger. In some embodiments, an oxygen scavenger is also included. A method includes providing an article, including a sulfur scavenger and an oxygen scavenger; and subjecting the article to a dosage of actinic radiation effective to trigger the oxygen scavenger. A method of reducing the sulfur content of a package containing a food product includes either (1) providing a film including a layer including a zinc ionomer, and a layer including an oxygen scavenger; packaging the food product in the film; and storing the package for at least 24 hours; or (2) providing the food product at a temperature of <= 40 ~F; providing a film including a layer including a sulfur scavenger; packaging the food product in the film; and storing the package for at least 24 hours.

Un article, comme une pellicule polymérique, un sachet, un tampon de contrôle de purge ou une étiquette comprend un fixateur du soufre. Dans certains modes de réalisation, on inclut également un désoxygénant. Ce procédé comprend la fourniture d'un article, notamment un fixateur de soufre et un désoxygénant et le fait de soumettre l'article à un dosage de radiation actinique efficace pour déclencher le désoxygénant. Le procédé de réduction du contenu en souffre d'un emballage contenant un produit alimentaire passe par soit (1) fournir un film comprenant une couche avec un ionomère de zinc et une couche comprenant un désoxygénant, emballer le produit alimentaire dans le film et stocker l'emballage pendant au moins 24 heures, soit (2) fournir le produit alimentaire à une température de <=40°F, fournir un film comprenant une couche avec un fixateur du soufre, emballer le produit alimentaire dans le film et stocker l'emballage pendant au moins 24 heures.

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