Evaluación de diferentes tratamientos físicos en pimiento (Capsicum annuum L.) verde y rojo mínimamente procesado
; Massolo, Juan Facundo
; Vicente, Ariel Roberto 
Otros responsables
Fecha
03/2017
Editorial
Universidad Tecnológica de Equinoccial. Facultad de Ciencias de la Ingeniería e Industrias
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Enfoque UTE
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ISSN
1390-9363
eISSN
1390-6542
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Español
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Resumen
Este trabajo compara tres estrategias de conservación complementarias a la refrigeración para pimiento mínimamente procesado en ambos estados de madurez. Frutos de pimiento verde y rojo se procesaron en bastones y se sometieron a los siguientes tratamientos: A) inmersión en agua (45 ºC, 3 min) (TT), B) radiación UV-C (20 kJ m-2 ) (UV) o C) almacenamiento en atmósfera modificada (AM). Otro grupo de bastones fue dejado sin tratamiento como control. Los bastones se almacenaron a 5 ºC durante 12 d. Se evaluaron el deterioro, la incidencia de podredumbre blanda y la tasa respiratoria de los bastones durante el almacenamiento. Los TT y UV lograron reducir el deterioro de los bastones verdes y rojos, y la tasa respiratoria a los 7 d del almacenamiento fue menor en los frutos tratados. Sin embargo, se encontró una respuesta dependiente del estado de madurez en el caso de las AM. Si bien los tres métodos fueron beneficiosos para mantener la calidad en frutos rojos, los mejores resultados se encontraron con los TT y UV, principalmente debido a que la AM tuvo menor control de la podredumbre blanda hacia el final del almacenamiento.
This work evaluates three different conservation methods for red and green fresh-cut peppers. Red and green fruit were processed into sticks and treated as follows: A) water batch immersion (45 ºC, 3 min) (TT), B) UV-C radiation (20 kJ m-2 ) or C) modified atmosphere storage (AM). Other group of pepper sticks were left untreated (control). The sticks were stored at 5 ºC during 12 d. Fruit decay, soft-rot and respiratory rate were evaluated during storage. The three treatments were effective to reduce sticks deterioration and the treated fruit evidenced lower respiratory rate at 7 d of storage with respect to control. While the three methods were beneficial to maintain quality, in the red sticks the best results were found with TT and UV, mainly because the AM had less control of the soft-rot at the end of storage. In green sticks all the treatments were equally effective.
This work evaluates three different conservation methods for red and green fresh-cut peppers. Red and green fruit were processed into sticks and treated as follows: A) water batch immersion (45 ºC, 3 min) (TT), B) UV-C radiation (20 kJ m-2 ) or C) modified atmosphere storage (AM). Other group of pepper sticks were left untreated (control). The sticks were stored at 5 ºC during 12 d. Fruit decay, soft-rot and respiratory rate were evaluated during storage. The three treatments were effective to reduce sticks deterioration and the treated fruit evidenced lower respiratory rate at 7 d of storage with respect to control. While the three methods were beneficial to maintain quality, in the red sticks the best results were found with TT and UV, mainly because the AM had less control of the soft-rot at the end of storage. In green sticks all the treatments were equally effective.
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