MODIFIED ATMOSPHERE PACKAGES AND METHODS FOR MAKING THE SAME

A method of manufacturing a modified atmosphere package comprises supplying a first package (14) including a non-barrier (18) portion substantially permeable to oxygen. A retail cut of raw meat (26) is placed within the first package (14) and the first package (14) is sealed. A second package (12) s...

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Bibliographische Detailangaben
Hauptverfasser:	GOULETTE, STEPHEN, L, MERRIMAN, MARCUS, C, DELDUCA, GARY, R, LUTHRA, VINOD, K
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR CHEMICAL RIPENING OF FRUIT OR VEGETABLES CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING FOODS OR FOODSTUFFS FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BYSUBCLASSES A23B - A23J HANDLING THIN OR FILAMENTARY MATERIAL HUMAN NECESSITIES MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGINGARTICLES OR MATERIALS PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT,VEGETABLES, EDIBLE SEEDS STORING THE PRESERVED, RIPENED, OR CANNED PRODUCTS THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OFNUTRITIVE QUALITIES, PHYSICAL TREATMENT THEIR TREATMENT, NOT COVERED BY OTHER CLASSES TRANSPORTING UNPACKING
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Beschreibung
Zusammenfassung:	A method of manufacturing a modified atmosphere package comprises supplying a first package (14) including a non-barrier (18) portion substantially permeable to oxygen. A retail cut of raw meat (26) is placed within the first package (14) and the first package (14) is sealed. A second package (12) substantially impermeable to oxygen is supplied. The first package (14) is covered with the second package (12) without sealing the second package (12) so as to create a pocket (13) between the first (14) and second (12) packages. A mixture of gases is supplied into the pocket (13). The gas mixture comprises from about 0.01 to about 0.8 vol.% carbon monoxide and at least one other gas to form a low oxygen environment so as to form carboxymyoglobin on a surface of the raw meat (26). The oxygen is removed from the pocket (13) so as to sufficiently reduce an oxygen level therein so as to inhibit or prevent the formation of metmyoglobin on the surface of the raw meat (26). The second package (12) is sealed. L'invention concerne un procédé de fabrication d'un emballage modifié conditionné sous atmosphère, qui consiste à utiliser un premier emballage (14) comprenant une partie non barrière (18) sensiblement perméable à l'oxygène. Un morceau de viande crue de détail (26) est placé à l'intérieur du premier emballage (14) lequel est ensuite fermé. Un second emballage (12) sensiblement imperméable à l'oxygène enveloppe le premier emballage (14) sans être fermée de façon à créer une poche (13) entre les deux emballages (12, 14). Un mélange de gaz est introduit dans la poche (13). Le mélange contient entre environ 0,01 et 0,8 % en vol. de monoxyde de carbone et au moins un autre gaz de façon à créer un environnement pauvre en oxygène pouvant former une carboxymyoglobine à la surface de la viande crue (26). L'oxygène est retirée de la poche (13) pour y diminuer suffisamment le niveau de façon à neutraliser ou empêcher la formation de méthémoglobine à la surface de la viande crue (26), après quoi le second emballage (12) est fermé.