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|Título:||Postharvest quality of refrigerated tomato fruit (solanum lycopersicum, cv. zinac) at two maturity stages following heat treatment|
Gonçalves, Elsa M.
Silva, Cristina L. M.
|Citação:||PINHEIRO, Joaquina…[et al.] - Postharvest quality of refrigerated tomato fruit (solanum lycopersicum, cv. zinac) at two maturity stages following heat treatment. Journal of Food Processing and Preservation. ISSN 1745-4549. (2014), P. 1745-454|
|Resumo:||This study evaluated the effect of water heat treatment (WHT, immersion in a water bath at 40C – 30 min) application in alternative to the conventional decontamination treatment of chlorinated water (150 ppm at 5C, pH 6.5 during 2 min) on tomato (cv. Zinac) at two maturity stages (turning and pink). Physiochemical attributes, enzymatic activities and microbial load were evaluated after treatments and during 14 days of storage at 10C. The WHT applied was very effective on microbial reduction and delayed physiochemical changes of tomato, namely firmness loss and red color development during storage period, especially at turning maturity stage. Based on the firmness parameter, shelf-life of control and WHT samples were determined. Our results provide strong evidence that postharvest WHT (40C – 30 min) for tomato fruits at turning maturity stage guarantees the overall quality at 10C twice as long of fruits washed with chlorinated water.|
|Aparece nas colecções:||CBQF - Artigos em revistas (no prelo) / Papers in journals (in press)|
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