RESUMO -O objetivo deste trabalho foi aumentar a vida útil pós-colheita de frutos de mamão, mantendo sua qualidade com utilização de filme de PVC, de 12 mm de espessura, e refrigeração. Foram utilizados mamões do grupo Formosa Tainung 01. A temperatura refrigerada foi de 10ºC e umidade relativa do ar de 90%. A temperatura ambiente foi 25ºC (+/-1) e umidade relativa em torno de 60%. O delineamento utilizado foi o de blocos casualizados. As menores perdas de massa fresca ocorreram com uso de PVC a 10ºC. O uso da refrigeração a 10ºC condicionou maior firmeza, além de menores teores de sólidos solúveis totais e elevação da relação SST ATT -1 até o 6º dia de armazenamento, seguida de estabilização. O armazenamento de mamão Formosa sob refrigeração, associado com filme de PVC, foi mais eficiente na manutenção da qualidade dos frutos, proporcionando maior tempo de vida útil. Termos para indexação: Carica papaya, atmosfera modificada, armazenamento. POST-HARVEST CONSERVATION OF FORMOSA PAPAYA WITH PVC FILM AND REFRIGERATIONABSTRACT -The objective of this work was to increase post-harvest preservation of papaya fruit maintaining its quality with use of PVC film and refrigerated temperature. It was used papayas from the group Formosa, Tainung 01. The temperature of cooling used was 10 ° C and relative humidity of 90%. The ambience temperature was 25 ° C (+ / -1) with relative humidity around 60%. The experimental design was randomized blocks. The lowest percentages of fresh mass loss were observed in the treatment with PVC at 10ºC. The refrigeration use at 10 ºC had higher firmness, lower levels of total soluble solids and growing increase of SST ATT -1 until the 6th day of storage, with next phase of stabilization. The storage of papaya Formosa under refrigeration associated with modified atmosphere with PVC film was more efficient in maintaining the quality of the fruit.
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