Abstract
Cell wall constituents and cell wall hydrolase (CWH) enzyme activities play crucial roles in extending the postharvest storability of apples. 1-Methylcyclopropene (1-MCP) has been extensively used to regulate cell wall metabolism of apples during storage. However, the consequences of 1-MCP can differ according to its concentration and the cultivar being treated. In this study, we investigated how 1-MCP concentrations (0.5 and 1.0 µL·L-1) regulate the cell wall components and the activities of CWH in two new apple cultivars, 'Arisoo' and 'Picnic', during their cold storage. In 1-MCP-treated fruits, uronic acid (UAC) and total sugar contents (TSC) were significantly higher in 'Arisoo', but only UAC was significantly higher in 'Picnic', when compared with control fruits. 1-MCP significantly inhibited CWH activities in both cultivars. The results observed between 0.5 and 1.0 µL·L-1 did not diverge obviously in 'Arisoo', however, 0.5 µL·L-1 generated better results over 1.0 µL·L-1 in 'Picnic'. Conclusively, the results suggest that it is economically more appropriate to use 0.5 µL·L-1 1-MCP to extend the postharvest storability of apples, especially 'Arisoo', because of its ability to delay the solubilization of fruit softening-related cell wall components and to suppress CWH enzyme activities.
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Claims 9
Claim · model-written summary
1-MCP raised uronic acid content in Arisoo fruit relative to controls.
- Taxon
- apples
Malus domesticat0 - Material
- 'Arisoo'e0
- Organ / stage
- fruitse0
- Treatment
- 1-MCPe0
- Outcome
- uronic acid (UAC)e0
- Direction
- highere0
- Comparator
- control fruitse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In 1-MCP-treated fruits, uronic acid (UAC) and total sugar contents (TSC) were significantly higher in 'Arisoo', but only UAC was significantly higher in 'Picnic', when compared with control fruits.”
t0“Minimization of 1-Methylcyclopropene Concentration to Regulate Cell Wall Metabolism of ‘Arisoo’ and ‘Picnic’ Apples in Cold Storage”
Claim · model-written summary
1-MCP raised total sugar content in Arisoo fruit relative to controls.
- Taxon
- applesMalus domesticat0
- Material
- 'Arisoo'e0
- Organ / stage
- fruitse0
- Treatment
- 1-MCPe0
- Outcome
- total sugar contents (TSC)e0
- Direction
- highere0
- Comparator
- control fruitse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In 1-MCP-treated fruits, uronic acid (UAC) and total sugar contents (TSC) were significantly higher in 'Arisoo', but only UAC was significantly higher in 'Picnic', when compared with control fruits.”
t0“Minimization of 1-Methylcyclopropene Concentration to Regulate Cell Wall Metabolism of ‘Arisoo’ and ‘Picnic’ Apples in Cold Storage”
Claim · model-written summary
1-MCP raised uronic acid content in Picnic fruit relative to controls.
- Taxon
- applesMalus domesticat0
- Material
- 'Picnic'e0
- Organ / stage
- fruitse0
- Treatment
- 1-MCPe0
- Outcome
- UACe0
- Direction
- highere0
- Comparator
- control fruitse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In 1-MCP-treated fruits, uronic acid (UAC) and total sugar contents (TSC) were significantly higher in 'Arisoo', but only UAC was significantly higher in 'Picnic', when compared with control fruits.”
t0“Minimization of 1-Methylcyclopropene Concentration to Regulate Cell Wall Metabolism of ‘Arisoo’ and ‘Picnic’ Apples in Cold Storage”
Claim · model-written summary
1-MCP inhibited CWH activities in both apple cultivars.
- Taxon
- applesMalus domesticat0
- Treatment
- 1-MCPe0
- Outcome
- CWH activitiese0
- Direction
- inhibitede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“1-MCP significantly inhibited CWH activities in both cultivars.”
t0“Minimization of 1-Methylcyclopropene Concentration to Regulate Cell Wall Metabolism of ‘Arisoo’ and ‘Picnic’ Apples in Cold Storage”
Claim · model-written summary
Results at 0.5 and 1.0 µL·L-1 did not diverge obviously in Arisoo.
- Taxon
- applesMalus domesticat0
- Material
- 'Arisoo'e0
- Treatment
- 0.5e0
- Outcome
- results observede0
- Direction
- did not diverge obviouslye0
- Qualifier
- between 0.5 and 1.0 µL·L-1e0
- Comparator
- 1.0 µL·L-1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The results observed between 0.5 and 1.0 µL·L-1 did not diverge obviously in 'Arisoo', however, 0.5 µL·L-1 generated better results over 1.0 µL·L-1 in 'Picnic'.”
t0“Minimization of 1-Methylcyclopropene Concentration to Regulate Cell Wall Metabolism of ‘Arisoo’ and ‘Picnic’ Apples in Cold Storage”
Claim · model-written summary
The 0.5 µL·L-1 dose produced better results than 1.0 µL·L-1 in Picnic.
- Taxon
- applesMalus domesticat0
- Material
- 'Picnic'e0
- Treatment
- 0.5 µL·L-1e0
- Outcome
- better resultse0
- Direction
- bettere0
- Comparator
- 1.0 µL·L-1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The results observed between 0.5 and 1.0 µL·L-1 did not diverge obviously in 'Arisoo', however, 0.5 µL·L-1 generated better results over 1.0 µL·L-1 in 'Picnic'.”
t0“Minimization of 1-Methylcyclopropene Concentration to Regulate Cell Wall Metabolism of ‘Arisoo’ and ‘Picnic’ Apples in Cold Storage”
Claim · model-written summary
The authors recommend 0.5 µL·L-1 1-MCP for apple storage, especially Arisoo.
- Taxon
- applesMalus domesticae0
- Material
- 'Arisoo'e0
- Treatment
- 0.5 µL·L-1 1-MCPe0
- Outcome
- extend the postharvest storability of applese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Conclusively, the results suggest that it is economically more appropriate to use 0.5 µL·L-1 1-MCP to extend the postharvest storability of apples, especially 'Arisoo', because of its ability to delay the solubilization of fruit softening-related cell wall components and to suppress CWH enzyme activities.”
Claim · model-written summary
The recommended 1-MCP concentration delays solubilization of fruit softening-related cell wall components.
- Taxon
- applesMalus domesticae0
- Treatment
- 0.5 µL·L-1 1-MCPe0
- Outcome
- solubilization of fruit softening-related cell wall componentse0
- Direction
- delaye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Conclusively, the results suggest that it is economically more appropriate to use 0.5 µL·L-1 1-MCP to extend the postharvest storability of apples, especially 'Arisoo', because of its ability to delay the solubilization of fruit softening-related cell wall components and to suppress CWH enzyme activities.”
Claim · model-written summary
The recommended 1-MCP concentration suppresses CWH enzyme activities.
- Taxon
- applesMalus domesticae0
- Treatment
- 0.5 µL·L-1 1-MCPe0
- Outcome
- CWH enzyme activitiese0
- Direction
- suppresse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Conclusively, the results suggest that it is economically more appropriate to use 0.5 µL·L-1 1-MCP to extend the postharvest storability of apples, especially 'Arisoo', because of its ability to delay the solubilization of fruit softening-related cell wall components and to suppress CWH enzyme activities.”
The same questions in other papers
1-methylcyclopropene · molecular: metabolites · Malus domestica (apple)Results differ
36 papers in the same direction as this paper · 15 in the opposite direction
- no effect
- positive
- positive
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See all 52 papers →1-methylcyclopropene · quality: sugar starch · Malus domestica (apple)Results differ
46 papers in the same direction as this paper · 9 in the opposite direction
- positive
- positive
- positive
52 papers more in this group
See all 56 papers →1-methylcyclopropene · cytology · Malus domestica (apple)Results agree
1 paper in the same direction as this paper
- positive
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.