Preservation of produce

A - Human Necessities – 23 – B

Patent

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Details

A23B 7/01 (2006.01) A23B 7/005 (2006.01) A23B 7/015 (2006.01) A23B 7/06 (2006.01) A23L 3/28 (2006.01)

Patent

CA 2457581

Food safety and longevity of still respiring fruit or vegetable pieces are enhanced reliant on a treatment process where the cut surfaces (preferably cleaned of cell debrit) are subjected to both UV light irradiation and heating so as, in concert, render the surfaces more sterile. The heating also has the effect of reducing ethylene production and at least depressing respiration. Such a process is preferably in addition to an anti-oxidant impregnation. The overall process in its preferred forms significantly extends the life and apparent freshness of, for example, apple slices when kept post treatment (eg; 25 days) over the temperature range of from 0 ~C to 8 ~C.

La sécurité des produits et la longévité de fruits ou de légumes respirant encore sont améliorées grâce à un procédé de traitement dans lequel les surfaces coupées (de préférence nettoyées des débris de cellule) sont soumises à la fois aux rayons ultraviolets et chauffées de manière à rendre, en même temps, les surfaces plus stériles. Le chauffage a également pour effet de réduire la production d'éthylène et au moins l'abaissement de la respiration. Un tel procédé est de préférence appliqué en sus d'une imprégnation anti-oxydante. Dans son mode de réalisation préféré, l'ensemble du procédé prolonge la vie et la fraîcheur apparente d'une pomme en tranches, par exemple après traitement (25 jours) à une température comprise entre 0 et 8 ·C.

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