Changes in the content of nitrates (III) and (V) in the minimally processed spinach packed and stored in modified atmosphere
2008
Bieganska-Marecik, R. | Walkowiak-Tomczak, D. | Radziejewska-Kubzdela, E.,Uniwersytet Przyrodniczy, Poznan (Poland). Inst. Technologii Zywnosci Pochodzenia Roslinnego
Under the study presented, it was determined the effect of packing spinach in a modified atmosphere and using a packaging film of an oxygen permeability of 1900 and 3000 cubic cm/square m/24h x bar on changes in nitrates (III) and(V) in the spinach packed during its 12-day storage at 4 deg C. The content of nitrate (V) was high in both the raw material and all the analysed samples packed in a modified atmosphere, it ranged from 937 to 1212 mg/kg f.w. A high content of nitrates (III) was recorded in the samples stored for 12 days and packed in air in the atmosphere with 10 percent O2, 10 percent CO2, and 80 percent N2. It was found that the samples packed in the atmosphere containg 20 percent O2, 5 percent CO2, 75 percent N2 and 20 percent O2, 25 percent CO2, 55 percent N2 had the best sensory quality
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