Abstract
Bagging is widely practiced to produce high quality and unblemished fruit; however, little is currently known about the effect of bagging on flavor and nutritional quality of cucumber fruits. Here we determined the influence of bagging on fruit quality of cucumber (Cucumis sativus L.) using three genotypes from different geographic groups. Exocarp chlorophyll and carotenoid levels were significantly decreased by bagging, accompanied by color change. Ascorbate content in bagged fruits decreased to some extent, while contents of soluble sugars, starch, and cellulose were comparable with those of control fruits. Compositions related to fruit flavor quality could be enhanced largely through bagging treatment, with elevation of the relative proportion of C6 aldehyde, as well as (E,Z)-2,6-nonadienal/(E)-2-nonenal ratio, and linoleic/α-linolenic acid ratio. Lipoxygenase and hydroperoxide lyase, two key enzymes in the production of volatiles, displayed distinctive transcript expression patterns and trends in changes of enzymatic activity in the bagged fruits of different genotypes. Overall, this study assesses the information on changing characteristics of fruit volatile composition and nutritional quality among different cucumber genotypes after bagging treatment. Results of this study would contribute to providing reference for mechanism study and cultivation conditions to improve cucumber fruit flavor to a considerable degree.
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Claims 7
Claim · model-written summary
Bagging significantly decreased exocarp chlorophyll and carotenoid levels and changed color.
- Taxon
- cucumber
Cucumis sativust0 - Organ / stage
- Exocarpe0
- Treatment
- bagginge0
- Outcome
- chlorophyll and carotenoid levelse0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Exocarp chlorophyll and carotenoid levels were significantly decreased by bagging, accompanied by color change”
t0“cucumber”
Claim · model-written summary
Bagged fruits had somewhat lower ascorbate content.
- Taxon
- cucumberCucumis sativust0
- Organ / stage
- fruitse0
- Treatment
- baggede0
- Outcome
- Ascorbate contente0
- Direction
- decreasede0
- Qualifier
- to some extente0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Ascorbate content in bagged fruits decreased to some extent”
t0“cucumber”
Claim · model-written summary
Soluble sugars, starch and cellulose in bagged fruit were comparable to controls.
- Taxon
- cucumberCucumis sativust0
- Treatment
- bagginge1
- Outcome
- contents of soluble sugars, starch, and cellulosee0
- Direction
- comparablee0
- Comparator
- control fruitse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“contents of soluble sugars, starch, and cellulose were comparable with those of control fruits”
t0“cucumber”
e1“Exocarp chlorophyll and carotenoid levels were significantly decreased by bagging, accompanied by color change”
Claim · model-written summary
Bagging elevated the relative proportion of C6 aldehyde.
- Taxon
- cucumberCucumis sativust0
- Treatment
- bagging treatmente0
- Outcome
- relative proportion of C6 aldehydee0
- Direction
- elevatione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“bagging treatment, with elevation of the relative proportion of C6 aldehyde”
t0“cucumber”
Claim · model-written summary
Bagging elevated the (E,Z)-2,6-nonadienal/(E)-2-nonenal ratio.
- Taxon
- cucumberCucumis sativust0
- Treatment
- bagging treatmente1
- Outcome
- (E,Z)-2,6-nonadienal/(E)-2-nonenal ratioe0
- Direction
- elevatione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“with elevation of the relative proportion of C6 aldehyde, as well as (E,Z)-2,6-nonadienal/(E)-2-nonenal ratio, and linoleic/α-linolenic acid ratio”
t0“cucumber”
e1“bagging treatment, with elevation of the relative proportion of C6 aldehyde”
Claim · model-written summary
Bagging elevated the linoleic to α-linolenic acid ratio.
- Taxon
- cucumberCucumis sativust0
- Treatment
- bagging treatmente1
- Outcome
- linoleic/α-linolenic acid ratioe0
- Direction
- elevatione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“with elevation of the relative proportion of C6 aldehyde, as well as (E,Z)-2,6-nonadienal/(E)-2-nonenal ratio, and linoleic/α-linolenic acid ratio”
t0“cucumber”
e1“bagging treatment, with elevation of the relative proportion of C6 aldehyde”
Claim · model-written summary
Bagged fruits of different genotypes showed distinct lipoxygenase and hydroperoxide lyase transcript and activity trends.
- Taxon
- cucumberCucumis sativust0
- Organ / stage
- fruitse0
- Treatment
- baggede0
- Gene
- Lipoxygenase and hydroperoxide lyasee0
- Outcome
- distinctive transcript expression patterns and trends in changes of enzymatic activitye0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Lipoxygenase and hydroperoxide lyase, two key enzymes in the production of volatiles, displayed distinctive transcript expression patterns and trends in changes of enzymatic activity in the bagged fruits of different genotypes”
t0“cucumber”
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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.