Abstract
The comprehensive exploration and thorough understanding of the physicochemical characteristics of “Crystal” grapes in the Karst area of Southwest China can not only produce edible table grapes, but also offer significant theoretical backing for the management of rocky desertification in the Karst area and consequently generate enhanced social and ecological benefits. This study explored the regulatory effect of 1-MCP fumigation on the postharvest storage quality of "Crystal” grapes, aiming to provide some technical support for the development of the grape industry in the Karst mountainous areas. The results indicate that compared with the control group, both the 10.0 and 50.0 μL/L 1-MCP treatment groups effectively inhibited the increase in decay rate, browning rate, shedding rate, and color change of the grapes, significantly inhibited the enhancement of polyphenol oxidase (PPO), peroxidase (POD), and lipoxygenases (LOX) browning-related enzyme activities, improved the superoxide dismutase (SOD) activity of the fruits, hindered the decrease of ascorbic acid (AsA) and polyphenols, delayed the accumulation of malondialdehyde (MDA) content, and significantly postponed the peak period of polygalacturonase (PG) activity in the fruits and the degradation of protopectin to soluble pectin, thereby maintaining desirable texture characteristics. The utilization of 1-MCP for fruit fumigation yielded a heightened overall fragrance, thereby facilitating the emission of terpenes, alcohols, aldehydes, ketone aromatic compounds, and methyl aromatic substances within the fruit. Overall, both the M10 and M50 treatments are equally effective in preserving the storage quality of “Crystal” grapes. Under the condition of ensuring the excellent edible quality of crystal grapes, M2 can extend the shelf life of crystal grapes by about 5 days, and M10 and M50 can extend the storage period of crystal grapes by 10~15 days. Considering the cost, it is recommended that the industry employs a concentration of 10.0 μL/L of 1-MCP for “Crystal” grapes. Simultaneously, this study also provides theoretical support for the ecologically high-quality development of cultivated land in the Karst mountainous area of Guizhou and tree selection.
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Claims 16
Claim · model-written summary
10.0 and 50.0 μL/L 1-MCP effectively inhibited the increase in decay rate, browning rate and shedding rate of grapes compared with the control group.
Verbatim
t0“Grapes in Karst Mountainous Area”
e1“compared with the control group, both the 10.0 and 50.0 μL/L 1-MCP treatment groups”
e2“effectively inhibited the increase in decay rate, browning rate, shedding rate, and color change”
Claim · model-written summary
10.0 and 50.0 μL/L 1-MCP effectively inhibited the increase in color change of grapes compared with the control group.
Verbatim
t0“Grapes in Karst Mountainous Area”
e1“compared with the control group, both the 10.0 and 50.0 μL/L 1-MCP treatment groups”
e2“effectively inhibited the increase in decay rate, browning rate, shedding rate, and color change”
Claim · model-written summary
10.0 and 50.0 μL/L 1-MCP significantly inhibited the enhancement of browning-related enzyme activities of PPO, POD and LOX in grapes compared with the control group.
Verbatim
t0“Grapes in Karst Mountainous Area”
e1“compared with the control group, both the 10.0 and 50.0 μL/L 1-MCP treatment groups”
e3“significantly inhibited the enhancement of polyphenol oxidase (PPO), peroxidase (POD), and lipoxygenases (LOX) browning-related enzyme activities”
Claim · model-written summary
1-MCP treatment improved superoxide dismutase (SOD) activity in grape fruits.
Verbatim
t0“Grapes in Karst Mountainous Area”
e1“compared with the control group, both the 10.0 and 50.0 μL/L 1-MCP treatment groups”
e4“improved the superoxide dismutase (SOD) activity of the fruits”
Claim · model-written summary
1-MCP treatment hindered the decrease of ascorbic acid and polyphenols in grapes.
Verbatim
t0“Grapes in Karst Mountainous Area”
e1“compared with the control group, both the 10.0 and 50.0 μL/L 1-MCP treatment groups”
e5“hindered the decrease of ascorbic acid (AsA) and polyphenols”
Claim · model-written summary
1-MCP treatment delayed the accumulation of malondialdehyde (MDA) content in grapes.
Verbatim
t0“Grapes in Karst Mountainous Area”
e1“compared with the control group, both the 10.0 and 50.0 μL/L 1-MCP treatment groups”
e6“delayed the accumulation of malondialdehyde (MDA) content”
Claim · model-written summary
1-MCP treatment significantly postponed the peak period of polygalacturonase (PG) activity in grape fruits.
Verbatim
t0“Grapes in Karst Mountainous Area”
e1“compared with the control group, both the 10.0 and 50.0 μL/L 1-MCP treatment groups”
e7“significantly postponed the peak period of polygalacturonase (PG) activity in the fruits and the degradation of protopectin to soluble pectin”
Claim · model-written summary
1-MCP treatment postponed the degradation of protopectin to soluble pectin in grape fruits.
Verbatim
t0“Grapes in Karst Mountainous Area”
e1“compared with the control group, both the 10.0 and 50.0 μL/L 1-MCP treatment groups”
e7“significantly postponed the peak period of polygalacturonase (PG) activity in the fruits and the degradation of protopectin to soluble pectin”
Claim · model-written summary
1-MCP treatment maintained desirable texture characteristics of grapes.
Verbatim
t0“Grapes in Karst Mountainous Area”
e1“compared with the control group, both the 10.0 and 50.0 μL/L 1-MCP treatment groups”
e2“thereby maintaining desirable texture characteristics”
Claim · model-written summary
1-MCP fumigation heightened the overall fragrance of grapes.
Not reportedComparator
Verbatim
t0“Grapes in Karst Mountainous Area”
e0“The utilization of 1-MCP for fruit fumigation yielded a heightened overall fragrance”
Claim · model-written summary
1-MCP fumigation facilitated the emission of terpenes, alcohols and aldehydes within grape fruit.
- Taxon
- Grapest0
- Treatment
- 1-MCP for fruit fumigatione0
- Outcome
- emission of terpenes, alcohols, aldehydese1
- Direction
- facilitatinge1
Not reportedComparator
Verbatim
t0“Grapes in Karst Mountainous Area”
e0“The utilization of 1-MCP for fruit fumigation yielded a heightened overall fragrance”
e1“facilitating the emission of terpenes, alcohols, aldehydes, ketone aromatic compounds, and methyl aromatic substances”
Claim · model-written summary
1-MCP fumigation facilitated the emission of ketone aromatic compounds and methyl aromatic substances within grape fruit.
- Taxon
- Grapest0
- Treatment
- 1-MCP for fruit fumigatione0
- Outcome
- ketone aromatic compounds, and methyl aromatic substancese1
- Direction
- facilitatinge1
Not reportedComparator
Verbatim
t0“Grapes in Karst Mountainous Area”
e0“The utilization of 1-MCP for fruit fumigation yielded a heightened overall fragrance”
e1“facilitating the emission of terpenes, alcohols, aldehydes, ketone aromatic compounds, and methyl aromatic substances”
Claim · model-written summary
The M10 and M50 1-MCP treatments were equally effective in preserving the storage quality of grapes.
Verbatim
t0“Grapes in Karst Mountainous Area”
e2“both the M10 and M50 treatments are equally effective in preserving the storage quality”
Claim · model-written summary
M2 1-MCP treatment can extend the shelf life of grapes by about 5 days.
Not reportedComparator
Verbatim
t0“Grapes in Karst Mountainous Area”
e2“M2 can extend the shelf life of crystal grapes by about 5 days”
Claim · model-written summary
M10 and M50 1-MCP treatments can extend the storage period of grapes by 10 to 15 days.
Not reportedComparator
Verbatim
t0“Grapes in Karst Mountainous Area”
e2“M10 and M50 can extend the storage period of crystal grapes by 10~15 days”
Claim · model-written summary
The authors recommend that the industry use 10.0 μL/L 1-MCP for grapes.
Verbatim
t0“Grapes in Karst Mountainous Area”
e2“it is recommended that the industry employs a concentration of 10.0 μL/L of 1-MCP”
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