Abstract
The effects of preharvest treatments with different concentrations(1, 2 and 3 μL/L) of 1-methylcyclopropene(1-MCP) on storage quality and physiological indexes of ‘Hanxiangmi' seedless grapes during cold storage were studied. The results showed that all concentrations of 1-MCP could inhibit the rise of weight loss rate, abscission rate and rotting incidence to different degrees, maintain higher total soluble solids(TSS) and titratable acid(TA) contents, decrease respiratory intensity and ethylene production rate, control the increase in malondialdehyde(MDA) content and lipoxygenase(LOX) activity, and maintain higher peroxidase(POD) and catalas(CAT) activities and lower polyphenoloxidas(PPO) activity during later cold storage, compared with the control. Among the different concentrations of 1-MCP, the quality of grapes treated with 1 μL/L 1-MCP was the best, which delayed the senescence of grapes, and maintained higher storage quality.
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Claims 6
Claim · model-written summary
All 1-MCP concentrations inhibited increases in grape weight loss, abscission and rot versus control.
- Taxon
- Grapest0
- Treatment
- 1-MCPe0
- Outcome
- weight loss rate, abscission rate and rotting incidencee0
- Direction
- inhibit the risee0
Not reportedComparator
Verbatim
t0“Grapes”
e0“all concentrations of 1-MCP could inhibit the rise of weight loss rate, abscission rate and rotting incidence to different degrees”
Claim · model-written summary
1-MCP maintained higher soluble solids and titratable acid in cold storage.
- Taxon
- Grapest0
- Treatment
- 1-MCPe0
- Outcome
- total soluble solids(TSS) and titratable acid(TA) contentse0
- Direction
- highere0
Not reportedComparator
Verbatim
t0“Grapes”
e0“all concentrations of 1-MCP could inhibit the rise of weight loss rate, abscission rate and rotting incidence to different degrees, maintain higher total soluble solids(TSS) and titratable acid(TA) contents”
Claim · model-written summary
1-MCP decreased respiration intensity and ethylene production.
- Taxon
- Grapest0
- Treatment
- 1-MCPe0
- Outcome
- respiratory intensity and ethylene production ratee0
- Direction
- decreasee0
Not reportedComparator
Verbatim
t0“Grapes”
e0“1-MCP could inhibit the rise of weight loss rate, abscission rate and rotting incidence to different degrees, maintain higher total soluble solids(TSS) and titratable acid(TA) contents, decrease respiratory intensity and ethylene production rate”
Claim · model-written summary
1-MCP controlled increases in malondialdehyde and lipoxygenase activity.
- Taxon
- Grapest0
- Treatment
- 1-MCPe0
- Outcome
- malondialdehyde(MDA) content and lipoxygenase(LOX) activitye0
- Direction
- control the increasee0
Not reportedComparator
Verbatim
t0“Grapes”
e0“1-MCP could inhibit the rise of weight loss rate, abscission rate and rotting incidence to different degrees, maintain higher total soluble solids(TSS) and titratable acid(TA) contents, decrease respiratory intensity and ethylene production rate, control the increase in malondialdehyde(MDA) content and lipoxygenase(LOX) activity”
Claim · model-written summary
1-MCP maintained higher peroxidase and catalase and lower polyphenol oxidase activity.
Not reportedComparator
Verbatim
t0“Grapes”
e0“1-MCP could inhibit the rise of weight loss rate, abscission rate and rotting incidence to different degrees, maintain higher total soluble solids(TSS) and titratable acid(TA) contents, decrease respiratory intensity and ethylene production rate, control the increase in malondialdehyde(MDA) content and lipoxygenase(LOX) activity, and maintain higher peroxidase(POD) and catalas(CAT) activities and lower polyphenoloxidas(PPO) activity”
Claim · model-written summary
One microliter per liter 1-MCP gave the best grape quality and delayed senescence.
Not reportedComparator
Verbatim
t0“Grapes”
e0“the quality of grapes treated with 1 μL/L 1-MCP was the best, which delayed the senescence of grapes, and maintained higher storage quality”
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