Abstract
To reveal the occurrence mechanism of peel pitting of Beibei 447 Jinchengorange,physiological,biochemical and microstructural changes of Beibei 447 Jinchengorange stored under normal temperature and ventilation condition were measured before and after pitting,and their relationships with pitting were investigated.After the formation of pitting,Beibei 447 Jincheng orange peel became crimpled and shriveled.Besides,disruption and atrophy of oil vacuole and deformation of cells around oil vacuole were both observed,and safranine dyed samples exhibited a deep color.A significant correlation was observed among peroxidase(POD),superoxide(SOD),polyphenoloxidase(PPO) activities and relative electrical conductivity(REC) or between these parameters and peel pitting rate.The occurrence of peel pitting was due to the interactions among these parameters.Moreover,there was no linear relationship between PPO activity and total phenol content.Thus,POD,SOD and PPO activities and REC can be considered crucial physiological features indicating peel pitting occurrence.
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Claims 8
Claim · model-written summary
Peroxidase, superoxide and polyphenoloxidase activities were significantly correlated with relative electrical conductivity in Beibei 447 Jincheng orange.
- Taxon
- orangee0
- Material
- Beibei 447 Jinchenge0
- Gene
- peroxidase(POD),superoxide(SOD),polyphenoloxidase(PPO)e1
- Outcome
- relative electrical conductivity(REC)e1
Not reportedDirection
Verbatim
e0“After the formation of pitting,Beibei 447 Jincheng orange peel became crimpled and shriveled”
e1“A significant correlation was observed among peroxidase(POD),superoxide(SOD),polyphenoloxidase(PPO) activities and relative electrical conductivity(REC) or between these parameters and peel pitting rate”
Claim · model-written summary
Peroxidase, superoxide and polyphenoloxidase activities were significantly correlated with peel pitting rate in Beibei 447 Jincheng orange.
- Taxon
- orangee0
- Material
- Beibei 447 Jinchenge0
- Gene
- peroxidase(POD),superoxide(SOD),polyphenoloxidase(PPO)e1
- Outcome
- peel pitting ratee1
Not reportedDirection
Verbatim
e0“After the formation of pitting,Beibei 447 Jincheng orange peel became crimpled and shriveled”
e1“A significant correlation was observed among peroxidase(POD),superoxide(SOD),polyphenoloxidase(PPO) activities and relative electrical conductivity(REC) or between these parameters and peel pitting rate”
Claim · model-written summary
Peel pitting occurrence was attributed to the interactions among peroxidase, superoxide, polyphenoloxidase activities and relative electrical conductivity.
Verbatim
e0“After the formation of pitting,Beibei 447 Jincheng orange peel became crimpled and shriveled”
e1“The occurrence of peel pitting was due to the interactions among these parameters”
Claim · model-written summary
No linear relationship was found between polyphenoloxidase activity and total phenol content in Beibei 447 Jincheng orange.
Verbatim
e0“After the formation of pitting,Beibei 447 Jincheng orange peel became crimpled and shriveled”
e2“Moreover,there was no linear relationship between PPO activity and total phenol content”
Claim · model-written summary
Peroxidase, superoxide and polyphenoloxidase activities and relative electrical conductivity can be considered physiological indicators of peel pitting occurrence.
Not reportedDirection
Verbatim
e0“After the formation of pitting,Beibei 447 Jincheng orange peel became crimpled and shriveled”
e3“Thus,POD,SOD and PPO activities and REC can be considered crucial physiological features indicating peel pitting occurrence”
Claim · model-written summary
Disruption and atrophy of oil vacuole and deformation of cells around oil vacuole were observed in orange peel during pitting.
Verbatim
e0“After the formation of pitting,Beibei 447 Jincheng orange peel became crimpled and shriveled”
e4“Besides,disruption and atrophy of oil vacuole and deformation of cells around oil vacuole were both observed”
Claim · model-written summary
Orange peel became crimpled and shriveled after pitting formed.
Verbatim
e0“After the formation of pitting,Beibei 447 Jincheng orange peel became crimpled and shriveled”
Claim · model-written summary
Safranine-stained orange samples exhibited a deep color.
Verbatim
e0“After the formation of pitting,Beibei 447 Jincheng orange peel became crimpled and shriveled”
e5“and safranine dyed samples exhibited a deep color”