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Storage
Under Moderate Vacuum to Prolong the Keepability of Fresh Vegetables and Fruits
ISHS
Acta Horticulturae 368: International Symposium on Postharvest Treatment of
Horticultural Crops
L.G.M.
Gorris, Y. de Witte, E.J. Smid
Abstract:
Modified atmosphere packaging (MAP) is increasingly employed to extend the
shelf-life of perishable food. Although applied mostly with non-respiring
products, the technique offers considerable prospects as well for respiring
products such as vegetables and fruits, which stay metabolically active during
storage. Here Moderate Vacuum Packaging (MVP), a novel type of MAP, is
presented, in which a product is stored in a refrigerator under 400 mB of
pressure. The keepability of several fresh fruits and vegetables was assessed
after MVP storage at 4 °C. The safety of MVP was evaluated by challenging mung
bean sprouts and chicory endive with Listeria monocytogenes, Bacillus
cereus, Yersinia enterocolitica and Salmonella typhimurium at
4, 7 and 10 °C.
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