Qualidade de couve-chinesa minimamente processada e tratada com diferentes produtos

摘要

The present research aimed at evaluating the quality of minimally processed Chinese cabbage treated with calcium chloride (CaCl2), ascorbic acid (vitamin C), and ethylene-diamine-tetracetic acid (EDTA) and kept under refrigeration. Treatments were as follows:T1:control (immersion in water containing 50 mg L-1Clorin/5 minutes); T2: immersion in 1% CaCl2 solution/5 minutes; T3: immersion in 2% aCl2 solution/5minutes; T4: immersion in 1% vitamin C solution/5 minutes; T5: immersion in 2% vitamin C solution/5 minutes, T6:immersion in 1% EDTAsolution/5minutes; and T7: immersion in 2% EDTA solution/5 minutes. After the treatments, the Chinese cabbage was centrifuged, wrapped with polyvinyl chloride (PVC) in trays of expanded polyethylene and stored at 5 ± 1oC and 90 ± 2% of relative humidity for 8days. Physicochemical, chemical, and sensorial analyses were carried out on alternate days. The presence of Salmonella was verified only after treatments. Analysis of variance (ANAVA) and the Tukey's test, at 5% significance level, were also carried out. All different treatments significantly influenced the physicochemical and chemical characteristics affecting the general appearance and causing darkening.No Salmonella was detected in the treatments.The obtained results allowed concluding that Chinese cabbage minimally processed under the adopted experimental conditions would be suitable for consumption only up to the fourth day of storage.