To execute antioxidation treatment for nuts, to prevent transformation and the deterioration of a taste and to prevent the deforming, etc., of a bag and a casing after packing by keeping carbon dioxide held in a specific pressurized state and the nuts in contact with each other in a specific heated state in a specific period so as to impregnate carbon dioxide into the nuts.
Carbon oxide held in the pressurized state of less than 10kg/cm gaze pressure and the nuts (almonds, flax seeds, Pellira ocimoides, poppy seeds, walnuts, coconuts, sesame, chinquapins, pistachios, sunflower seeds, Brazil nuts, hazel nuts, pecan, macadamia nuts, pine seeds, pea nuts, etc.) are kept in contact with each other in the state of heating in 70 to 150°C in 30 to 90min in the way of providing a jacket at the peripheral wall of a pressure casing, e.g. and circulating a heat medium such as steam, hot water so as to impregnate carbon dioxide into the nuts.
ETSUNO SHUJI
HATANAKA KAZUHISA
TABATA CO LTD
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