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Influence of low oxygen and high carbon dioxide on shredded Galega kale quality...
Fonseca, Susana C.; Oliveira, Fernanda A. R.; Brecht, Jeffrey K.; Chau, Khe V.Respiration rate, sensory attributes, colour alterations, and water, chlorophyll and ascorbic acid contents were monitored during storage of shredded Galega kale (Brassica oleracea var. acephala DC.) at 20 ◦C to define an adequate range of O2 and CO2 partial pressures for product preservation. Different low O2 and high CO2 atmospheres were tested. First, tolerance to low O2 partial pressures (1, 2, 3 or 21 kPa ...
Modelling O2 and CO2 exchange for development of perforation mediated modifed a...
Fonseca, Susana C.; Oliveira, Fernanda A.R.; Lino, Isabel B.M.; Brecht, Jeffrey K.; Chau, Khe V.Perforation-mediated modi®ed atmosphere packaging relies on the use of macro perforations or tubes to control the O2 and CO2 exchange and create the desired atmosphere inside an otherwise gas-tight package. In this work, the O2 and CO2 exchange through a single tube was studied. Di erent temperatures (5±20°C) and tube dimensions (length from 9 to 17 mm and diameter from 6 to 30 mm) were tested. O2 and CO2 mass ...
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