Effect of modified atmosphere packaging (MAP) on rachis quality of 'Red Globe' table grape variety

Christian Silva-Sanzana, Ivan Balic, Pablo Sepúlveda, Patricio Olmedo, Gabriel León, Bruno G. Defilippi, Francisca Blanco-Herrera, Reinaldo Campos-Vargas

Resultado de la investigación: Article

6 Citas (Scopus)

Resumen

Rachis browning corresponds to a postharvest disorder that drastically reduces overall table grape quality. This problem has been associated mainly to water loss, but the possibility of having other factors involved like green pigment degradation and brownish compound synthesis that mask the green tissue is also feasible. Modified Atmosphere Packaging (MAP) is a technology used to extend table grape postharvest life, including rachis appearance. The objective of this study was to analyze the effects caused by MAP on rachis browning during cold storage of 'Red Globe' table grape variety. MAP helped to reduce the green color loss on rachises stored for 90 days of storage at 0 °C compared with a conventional storage (CS) even after a shelf life period, without to affect negatively the quality of the berries. Interestingly, MAP storage decreased the content of chlorophyll-a and increased the amount of pheophytin-a, a chlorophyll degradation product, compared to CS both after cold storage period and shelf life. Additionally, the expression of genes involved in the chlorophyll breakdown pathway was analyzed by qPCR. We found that MAP induced an increase in the transcript abundance of metal-chelating substance (MCS) and Red Chlorophyll Catabolite Reductase (RCCR) genes. However, Pheophytinase (PPH) and Pheophorbide-a Oxigenase (PaO) transcript accumulation revealed no changes compared with CS. Apparently, MAP generated a modification in the chlorophyll breakdown process allowing an accumulation of green like compounds responsible for the greener color of rachises in the MAP stored bunches. On the other hand, histological analysis reveals that after cold storage and shelf life, morphological changes and brown compounds accumulation take place at the periderm and cortex tissues, and these symptoms are less severe in MAP stored bunches helping to keep longer the green coloration of the rachises. In this study we observed that MAP storage increases rachis postharvest quality by reducing green color loss probably due to a combination of processes involving a delay of green pigments degradation and a less accumulation of brown compounds at the periderm and cortex tissues, thus preventing green pigments masking.

Idioma originalEnglish
Páginas (desde-hasta)33-40
Número de páginas8
PublicaciónPostharvest Biology and Technology
Volumen119
DOI
EstadoPublished - 1 sep 2016

Huella dactilar

table grapes
modified atmosphere packaging
Vitis
Product Packaging
Atmosphere
Chlorophyll
shelf life
chlorophyll
cold storage
periderm
Color
color
pigments
degradation
cortex
Masks
storage quality
signs and symptoms (animals and humans)
small fruits
Fruit

ASJC Scopus subject areas

  • Food Science
  • Agronomy and Crop Science
  • Horticulture

Citar esto

Silva-Sanzana, Christian ; Balic, Ivan ; Sepúlveda, Pablo ; Olmedo, Patricio ; León, Gabriel ; Defilippi, Bruno G. ; Blanco-Herrera, Francisca ; Campos-Vargas, Reinaldo. / Effect of modified atmosphere packaging (MAP) on rachis quality of 'Red Globe' table grape variety. En: Postharvest Biology and Technology. 2016 ; Vol. 119. pp. 33-40.
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abstract = "Rachis browning corresponds to a postharvest disorder that drastically reduces overall table grape quality. This problem has been associated mainly to water loss, but the possibility of having other factors involved like green pigment degradation and brownish compound synthesis that mask the green tissue is also feasible. Modified Atmosphere Packaging (MAP) is a technology used to extend table grape postharvest life, including rachis appearance. The objective of this study was to analyze the effects caused by MAP on rachis browning during cold storage of 'Red Globe' table grape variety. MAP helped to reduce the green color loss on rachises stored for 90 days of storage at 0 °C compared with a conventional storage (CS) even after a shelf life period, without to affect negatively the quality of the berries. Interestingly, MAP storage decreased the content of chlorophyll-a and increased the amount of pheophytin-a, a chlorophyll degradation product, compared to CS both after cold storage period and shelf life. Additionally, the expression of genes involved in the chlorophyll breakdown pathway was analyzed by qPCR. We found that MAP induced an increase in the transcript abundance of metal-chelating substance (MCS) and Red Chlorophyll Catabolite Reductase (RCCR) genes. However, Pheophytinase (PPH) and Pheophorbide-a Oxigenase (PaO) transcript accumulation revealed no changes compared with CS. Apparently, MAP generated a modification in the chlorophyll breakdown process allowing an accumulation of green like compounds responsible for the greener color of rachises in the MAP stored bunches. On the other hand, histological analysis reveals that after cold storage and shelf life, morphological changes and brown compounds accumulation take place at the periderm and cortex tissues, and these symptoms are less severe in MAP stored bunches helping to keep longer the green coloration of the rachises. In this study we observed that MAP storage increases rachis postharvest quality by reducing green color loss probably due to a combination of processes involving a delay of green pigments degradation and a less accumulation of brown compounds at the periderm and cortex tissues, thus preventing green pigments masking.",
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Effect of modified atmosphere packaging (MAP) on rachis quality of 'Red Globe' table grape variety. / Silva-Sanzana, Christian; Balic, Ivan; Sepúlveda, Pablo; Olmedo, Patricio; León, Gabriel; Defilippi, Bruno G.; Blanco-Herrera, Francisca; Campos-Vargas, Reinaldo.

En: Postharvest Biology and Technology, Vol. 119, 01.09.2016, p. 33-40.

Resultado de la investigación: Article

TY - JOUR

T1 - Effect of modified atmosphere packaging (MAP) on rachis quality of 'Red Globe' table grape variety

AU - Silva-Sanzana, Christian

AU - Balic, Ivan

AU - Sepúlveda, Pablo

AU - Olmedo, Patricio

AU - León, Gabriel

AU - Defilippi, Bruno G.

AU - Blanco-Herrera, Francisca

AU - Campos-Vargas, Reinaldo

PY - 2016/9/1

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N2 - Rachis browning corresponds to a postharvest disorder that drastically reduces overall table grape quality. This problem has been associated mainly to water loss, but the possibility of having other factors involved like green pigment degradation and brownish compound synthesis that mask the green tissue is also feasible. Modified Atmosphere Packaging (MAP) is a technology used to extend table grape postharvest life, including rachis appearance. The objective of this study was to analyze the effects caused by MAP on rachis browning during cold storage of 'Red Globe' table grape variety. MAP helped to reduce the green color loss on rachises stored for 90 days of storage at 0 °C compared with a conventional storage (CS) even after a shelf life period, without to affect negatively the quality of the berries. Interestingly, MAP storage decreased the content of chlorophyll-a and increased the amount of pheophytin-a, a chlorophyll degradation product, compared to CS both after cold storage period and shelf life. Additionally, the expression of genes involved in the chlorophyll breakdown pathway was analyzed by qPCR. We found that MAP induced an increase in the transcript abundance of metal-chelating substance (MCS) and Red Chlorophyll Catabolite Reductase (RCCR) genes. However, Pheophytinase (PPH) and Pheophorbide-a Oxigenase (PaO) transcript accumulation revealed no changes compared with CS. Apparently, MAP generated a modification in the chlorophyll breakdown process allowing an accumulation of green like compounds responsible for the greener color of rachises in the MAP stored bunches. On the other hand, histological analysis reveals that after cold storage and shelf life, morphological changes and brown compounds accumulation take place at the periderm and cortex tissues, and these symptoms are less severe in MAP stored bunches helping to keep longer the green coloration of the rachises. In this study we observed that MAP storage increases rachis postharvest quality by reducing green color loss probably due to a combination of processes involving a delay of green pigments degradation and a less accumulation of brown compounds at the periderm and cortex tissues, thus preventing green pigments masking.

AB - Rachis browning corresponds to a postharvest disorder that drastically reduces overall table grape quality. This problem has been associated mainly to water loss, but the possibility of having other factors involved like green pigment degradation and brownish compound synthesis that mask the green tissue is also feasible. Modified Atmosphere Packaging (MAP) is a technology used to extend table grape postharvest life, including rachis appearance. The objective of this study was to analyze the effects caused by MAP on rachis browning during cold storage of 'Red Globe' table grape variety. MAP helped to reduce the green color loss on rachises stored for 90 days of storage at 0 °C compared with a conventional storage (CS) even after a shelf life period, without to affect negatively the quality of the berries. Interestingly, MAP storage decreased the content of chlorophyll-a and increased the amount of pheophytin-a, a chlorophyll degradation product, compared to CS both after cold storage period and shelf life. Additionally, the expression of genes involved in the chlorophyll breakdown pathway was analyzed by qPCR. We found that MAP induced an increase in the transcript abundance of metal-chelating substance (MCS) and Red Chlorophyll Catabolite Reductase (RCCR) genes. However, Pheophytinase (PPH) and Pheophorbide-a Oxigenase (PaO) transcript accumulation revealed no changes compared with CS. Apparently, MAP generated a modification in the chlorophyll breakdown process allowing an accumulation of green like compounds responsible for the greener color of rachises in the MAP stored bunches. On the other hand, histological analysis reveals that after cold storage and shelf life, morphological changes and brown compounds accumulation take place at the periderm and cortex tissues, and these symptoms are less severe in MAP stored bunches helping to keep longer the green coloration of the rachises. In this study we observed that MAP storage increases rachis postharvest quality by reducing green color loss probably due to a combination of processes involving a delay of green pigments degradation and a less accumulation of brown compounds at the periderm and cortex tissues, thus preventing green pigments masking.

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KW - Table grape

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