Abstract
The present research intents to study skin fatty acids and physiological disorders developed during cold storage in ‘Golden Delicious’ apples treated with 1-MCP and calcium. Harvested fruits were treated with calcium chloride (Ca), 1-MCP (MCP), Ca + MCP or no treatment (control) and then subjected to cold storage at 0.5 °C for 6 months. Fatty acids’ composition, malondialdehyde (MDA) and the physiological disorders bitter pit (BP), superficial scald and diffuse skin browning (DSB) were measured at harvest and after storage plus 7 days of shelf-life at room temperature ≈22 °C. Palmitic acid decreased and linoleic acid increased over time, while oleic and stearic acids had few changes. Generally, unsaturated/saturated fatty acids and MDA increased over the storage period. Treatment with Ca showed that, at the end of the experiment, the lowest MDA values and the highest unsaturated/saturated fatty acids ratio were mainly due to higher linoleic and lower palmitic acids concentrations, which are coincident with less severe BP. There was no clear correlation between the measured fatty acids (palmitic, linoleic, oleic and stearic), unsaturated-to-saturated fatty acids ratio or MDA with chilling skin physiological disorders. Further research is needed to clarify the changes in membrane properties and the effect of some treatments in response to chilling injury during storage.
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Claims 8
Claim · model-written summary
Palmitic acid in apple skin decreased over storage time.
- Taxon
- apples
Malus domesticae0 - Material
- Golden Deliciouse0
- Treatment
- over timee1
- Outcome
- Palmitic acide1
- Direction
- decreasede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in ‘Golden Delicious’ apples treated with 1-MCP and calcium”
e1“Palmitic acid decreased and linoleic acid increased over time”
Claim · model-written summary
Linoleic acid in apple skin increased over storage time.
- Taxon
- applesMalus domesticae0
- Material
- Golden Deliciouse0
- Treatment
- over timee1
- Outcome
- linoleic acide1
- Direction
- increasede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in ‘Golden Delicious’ apples treated with 1-MCP and calcium”
e1“Palmitic acid decreased and linoleic acid increased over time”
Claim · model-written summary
Calcium chloride treatment gave the lowest MDA values at the end of storage.
- Taxon
- applesMalus domesticae0
- Material
- Golden Deliciouse0
- Treatment
- Treatment with Cae2
- Outcome
- MDA valuese2
- Direction
- loweste2
- Qualifier
- at the end of the experimente2
- Comparator
- no treatment (control)e3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in ‘Golden Delicious’ apples treated with 1-MCP and calcium”
e2“Treatment with Ca showed that, at the end of the experiment, the lowest MDA values and the highest unsaturated/saturated fatty acids ratio”
e3“Harvested fruits were treated with calcium chloride (Ca), 1-MCP (MCP), Ca + MCP or no treatment (control)”
Claim · model-written summary
Calcium chloride treatment gave the highest unsaturated-to-saturated fatty acid ratio at the end of storage.
- Taxon
- applesMalus domesticae0
- Material
- Golden Deliciouse0
- Treatment
- Treatment with Cae2
- Outcome
- unsaturated/saturated fatty acids ratioe2
- Direction
- higheste2
- Qualifier
- at the end of the experimente2
- Comparator
- no treatment (control)e3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in ‘Golden Delicious’ apples treated with 1-MCP and calcium”
e2“Treatment with Ca showed that, at the end of the experiment, the lowest MDA values and the highest unsaturated/saturated fatty acids ratio”
e3“Harvested fruits were treated with calcium chloride (Ca), 1-MCP (MCP), Ca + MCP or no treatment (control)”
Claim · model-written summary
The lower MDA and higher unsaturated-to-saturated ratio are mainly due to higher linoleic and lower palmitic acid concentrations.
- Taxon
- applesMalus domesticae0
- Compound
- linoleice4
- Outcome
- unsaturated/saturated fatty acids ratioe2
- Qualifier
- higher linoleic and lower palmitic acids concentrationse4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in ‘Golden Delicious’ apples treated with 1-MCP and calcium”
e2“the lowest MDA values and the highest unsaturated/saturated fatty acids ratio”
e4“were mainly due to higher linoleic and lower palmitic acids concentrations”
Claim · model-written summary
Calcium chloride treatment was coincident with less severe bitter pit.
- Taxon
- applesMalus domesticae0
- Treatment
- Treatment with Cae6
- Outcome
- BPe5
- Direction
- less severee5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in ‘Golden Delicious’ apples treated with 1-MCP and calcium”
e5“which are coincident with less severe BP”
e6“Treatment with Ca”
Claim · model-written summary
No clear correlation was found between fatty acids, the unsaturated-to-saturated ratio or MDA and chilling skin disorders.
- Taxon
- applesMalus domesticae0
- Compound
- MDAe7
- Outcome
- chilling skin physiological disorderse7
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in ‘Golden Delicious’ apples treated with 1-MCP and calcium”
e7“There was no clear correlation between the measured fatty acids (palmitic, linoleic, oleic and stearic), unsaturated-to-saturated fatty acids ratio or MDA with chilling skin physiological disorders”
Claim · model-written summary
Unsaturated-to-saturated fatty acid ratio and MDA increased over the storage period.
- Taxon
- applesMalus domesticae0
- Material
- Golden Deliciouse0
- Treatment
- storage periode1
- Outcome
- unsaturated/saturated fatty acids and MDAe1
- Direction
- increasede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in ‘Golden Delicious’ apples treated with 1-MCP and calcium”
e1“Generally, unsaturated/saturated fatty acids and MDA increased over the storage period”
The same questions in other papers
calcium atom · physiology: oxidative · Malus domestica (apple)Results agree
4 papers in the same direction as this paper
- positive
- positive
- positive
1 paper more in this group
See all 5 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.