Abstract
Banana fruits(Musa spp.AAA Group cv.Baxi) were exposed to 0.5 μL·L-1 1-methylcyclopropene(1-MCP) for 24 h at 28℃,then stored at 35℃.Effects of 1-MCP on the contents of malondialdehyde and proline and the activities of antioxidant enzymes were investigated.Results showed that non-1-MCP-treated banana fruits stored at 35℃ expressed severe green skin with the increase of MDA content.Pretreatment with 1-MCP reduced significantly the MDA content and increased activities of superoxidase(SOD),peroxidase(POD) and catalase(CAT).The proline in the pericarp treated by 1-MCP accumulated further during later storage period.It suggested that 1-MCP treatment played an important regulative role on improving the tolerance to high temperature stress of banana fruits.Antioxidant enzymes activities(POD and SOD) of 1-MCP-treated fruit stored at 35℃ for 9 days then followed by storage at 20℃ were obviously increased.
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Claims 5
Claim · model-written summary
Untreated banana fruit at 35℃ showed severe green skin as MDA content increased.
Verbatim
e0“non-1-MCP-treated banana fruits stored at 35℃ expressed severe green skin with the increase of MDA content”
Claim · model-written summary
1-MCP pretreatment significantly reduced banana MDA content.
Not reportedComparator
Verbatim
e0“Pretreatment with 1-MCP reduced significantly the MDA content”
t0“banana fruit”
Claim · model-written summary
1-MCP pretreatment increased SOD, POD and CAT activities.
- Taxon
- bananat0
- Treatment
- 1-MCPe0
- Outcome
- activities of superoxidase(SOD),peroxidase(POD) and catalase(CAT)e0
- Direction
- increasede0
Not reportedComparator
Verbatim
e0“Pretreatment with 1-MCP reduced significantly the MDA content and increased activities of superoxidase(SOD),peroxidase(POD) and catalase(CAT)”
t0“banana fruit”
Claim · model-written summary
1-MCP treated pericarp accumulated proline further in later storage.
- Taxon
- bananat0
- Organ / stage
- pericarpe0
- Treatment
- 1-MCPe0
- Outcome
- proline in the pericarpe0
- Direction
- accumulated furthere0
- Qualifier
- later storage periode0
Not reportedComparator
Verbatim
e0“The proline in the pericarp treated by 1-MCP accumulated further during later storage period”
t0“banana fruit”
Claim · model-written summary
POD and SOD activities increased after nine days at 35℃ followed by 20℃ in 1-MCP treated fruit.
Verbatim
e0“Antioxidant enzymes activities(POD and SOD) of 1-MCP-treated fruit stored at 35℃ for 9 days then followed by storage at 20℃ were obviously increased”
t0“banana fruit”
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See all 7 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.