Abstract
The responses of cherry tomato (Lycopersicon esculentum var. cerasiforme) fruits to post-harvest treatment with 1-MCP were investigated. The maturity stage at which 1-MCP application is most effective in delaying the ripening process was determined, and then the effects of different concentrations (0, 0.035, 0.07 and 0.11 microL/L) of 1-MCP on ethylene production, fruit softening, chlorophyll, lycopene and carotenoids contents of mature green (MG) cherry tomato fruits were assessed. 1-MCP at 0.07 and 0.11 microL/L reduced fruit C(2)H(4) production, delayed the C(2)H(4) peak at ambient temperature. Although 1-MCP at 0.035 microL/L was effective in retarding fruit ripening, it did not suppress endogenous ethylene production. Fruit softening was suppressed by 1-MCP, but its initiation was not affected by 1-MCP. The rate of chlorophyll degradation and its pattern of change with time, and the initiation of lycopene biosynthesis as well as its accumulation were all affected by 1-MCP, but only the accumulation of carotenoids was suppressed. Accumulation of lycopene and carotenoids was almost permanently hampered by 1-MCP at 0.07 microL/L or higher concentrations, and fruit color could not reach the control level even 2 weeks after 1-MCP treatment, indicating the close association of the metabolism of these pigments with ethylene perception. Since the concentration of 0.11 microL/L of 1-MCP was so high that it did not elicit additional response very much than 0.07 microL/L, these concentrations were considered to be practically effective concentrations for cherry tomato at MG stage. The effective 1-MCP concentrations might provide a useful reference to the levels of ethylene receptors as well as ethylene sensitivity in a specific fruit at given development stage.
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Claims 14
Claim · model-written summary
1-MCP at 0.07 and 0.11 microL/L reduced fruit ethylene production.
- Taxon
- cherry tomato
Solanum lycopersicum var. cerasiformet0 - Treatment
- 1-MCP at 0.07 and 0.11 microL/Le0
- Outcome
- fruit C(2)H(4) productione0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“1-MCP at 0.07 and 0.11 microL/L reduced fruit C(2)H(4) production”
t0“cherry tomato”
Claim · model-written summary
1-MCP at 0.07 and 0.11 microL/L delayed the fruit ethylene peak at ambient temperature.
- Taxon
- cherry tomatoSolanum lycopersicum var. cerasiformet0
- Treatment
- 1-MCP at 0.07 and 0.11 microL/Le0
- Outcome
- C(2)H(4) peake0
- Direction
- delayede0
- Qualifier
- ambient temperaturee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“1-MCP at 0.07 and 0.11 microL/L reduced fruit C(2)H(4) production, delayed the C(2)H(4) peak at ambient temperature”
t0“cherry tomato”
Claim · model-written summary
1-MCP at 0.035 microL/L retarded fruit ripening.
- Taxon
- cherry tomatoSolanum lycopersicum var. cerasiformet0
- Treatment
- 1-MCP at 0.035 microL/Le0
- Outcome
- fruit ripeninge0
- Direction
- retardinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“1-MCP at 0.035 microL/L was effective in retarding fruit ripening”
t0“cherry tomato”
Claim · model-written summary
1-MCP at 0.035 microL/L did not suppress endogenous ethylene production.
- Taxon
- cherry tomatoSolanum lycopersicum var. cerasiformet0
- Treatment
- 1-MCP at 0.035 microL/Le0
- Outcome
- endogenous ethylene productione0
- Direction
- did not suppresse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“1-MCP at 0.035 microL/L was effective in retarding fruit ripening, it did not suppress endogenous ethylene production”
t0“cherry tomato”
Claim · model-written summary
1-MCP suppressed fruit softening.
- Taxon
- cherry tomatoSolanum lycopersicum var. cerasiformet0
- Treatment
- 1-MCPe0
- Outcome
- Fruit softeninge0
- Direction
- suppressede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Fruit softening was suppressed by 1-MCP”
t0“cherry tomato”
Claim · model-written summary
1-MCP did not affect the initiation of fruit softening.
- Taxon
- cherry tomatoSolanum lycopersicum var. cerasiformet0
- Treatment
- 1-MCPe0
- Outcome
- its initiatione0
- Direction
- not affectede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Fruit softening was suppressed by 1-MCP, but its initiation was not affected by 1-MCP”
t0“cherry tomato”
Claim · model-written summary
1-MCP affected the rate and time pattern of chlorophyll degradation.
- Taxon
- cherry tomatoSolanum lycopersicum var. cerasiformet0
- Treatment
- 1-MCPe0
- Outcome
- rate of chlorophyll degradation and its pattern of change with timee0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The rate of chlorophyll degradation and its pattern of change with time, and the initiation of lycopene biosynthesis as well as its accumulation were all affected by 1-MCP”
t0“cherry tomato”
Claim · model-written summary
1-MCP affected the initiation and accumulation of lycopene.
- Taxon
- cherry tomatoSolanum lycopersicum var. cerasiformet0
- Treatment
- 1-MCPe0
- Outcome
- initiation of lycopene biosynthesis as well as its accumulatione0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the initiation of lycopene biosynthesis as well as its accumulation were all affected by 1-MCP”
t0“cherry tomato”
Claim · model-written summary
1-MCP suppressed carotenoid accumulation.
- Taxon
- cherry tomatoSolanum lycopersicum var. cerasiformet0
- Treatment
- 1-MCPe1
- Outcome
- accumulation of carotenoidse0
- Direction
- suppressede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“only the accumulation of carotenoids was suppressed”
t0“cherry tomato”
e1“were all affected by 1-MCP”
Claim · model-written summary
At 0.07 microL/L or higher, 1-MCP almost permanently hampered lycopene accumulation.
- Taxon
- cherry tomatoSolanum lycopersicum var. cerasiformet0
- Treatment
- 1-MCP at 0.07 microL/L or higher concentrationse0
- Outcome
- Accumulation of lycopenee0
- Direction
- hamperede0
- Qualifier
- almost permanentlye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Accumulation of lycopene and carotenoids was almost permanently hampered by 1-MCP at 0.07 microL/L or higher concentrations”
t0“cherry tomato”
Claim · model-written summary
At 0.07 microL/L or higher, 1-MCP almost permanently hampered carotenoid accumulation.
- Taxon
- cherry tomatoSolanum lycopersicum var. cerasiformet0
- Treatment
- 1-MCP at 0.07 microL/L or higher concentrationse0
- Outcome
- carotenoidse0
- Direction
- hamperede0
- Qualifier
- almost permanentlye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Accumulation of lycopene and carotenoids was almost permanently hampered by 1-MCP at 0.07 microL/L or higher concentrations”
t0“cherry tomato”
Claim · model-written summary
Fruit color remained below the control level two weeks after 1-MCP treatment.
- Taxon
- cherry tomatoSolanum lycopersicum var. cerasiformet0
- Treatment
- 1-MCP treatmente0
- Outcome
- fruit colore0
- Direction
- could not reache0
- Qualifier
- 2 weeks aftere0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“fruit color could not reach the control level even 2 weeks after 1-MCP treatment”
t0“cherry tomato”
Claim · model-written summary
1-MCP at 0.11 microL/L elicited little additional response beyond 0.07 microL/L.
- Taxon
- cherry tomatoSolanum lycopersicum var. cerasiformet0
- Treatment
- 0.11 microL/L of 1-MCPe0
- Outcome
- additional responsee0
- Direction
- did not elicite0
- Comparator
- 0.07 microL/Le0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the concentration of 0.11 microL/L of 1-MCP was so high that it did not elicit additional response very much than 0.07 microL/L”
t0“cherry tomato”
Claim · model-written summary
The authors considered 0.07 and 0.11 microL/L practically effective for mature green cherry tomato.
- Taxon
- cherry tomatoSolanum lycopersicum var. cerasiformee0
- Organ / stage
- MG stagee0
- Outcome
- practically effective concentrationse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“these concentrations were considered to be practically effective concentrations for cherry tomato at MG stage”
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