Abstract
An increasing demand of natural preservatives to increase the storage life of fresh-cut fruits and vegetables has received a great attention among researchers. The present study was conducted to evaluate quality retention and shelf-life improvement of fresh-cut apple, papaya, carrot and cucumber by chitosan-soy based edible coating. The examination of different parameters like weight-loss, soluble solids, pH, titratable acidity, color, total phenol content, ascorbic acid, browning potential and polyphenol oxidase activity was carried out to determine the quality of samples. A substantial difference was recorded in the weight-loss of coated samples when compared with controls. The chitosan-soy coating delayed the polyphenol oxidase activity and enzymatic browning in the samples. The study concluded that chitosan-soy coating has the ability to improve quality and prolong shelf-life, and could be used commercially for fresh-cut stuffs of fruits and vegetables. Keywords: Ascorbic acid, carotenoids, chitosan-soy, Daucus carota, polyphenol oxidase, total phenol content.
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Claims 12
Claim · model-written summary
A chitosan-soy coating affected weight-loss in fresh-cut Apple.
- Taxon
- Apple
Malus domesticat0 - Treatment
- chitosan-soy coatinge1
- Outcome
- weight-losse0
- Comparator
- controlse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Apple”
e0“A substantial difference was recorded in the weight-loss of coated samples when compared with controls.”
e1“The chitosan-soy coating delayed the polyphenol oxidase activity and enzymatic browning in the samples.”
Claim · model-written summary
A chitosan-soy coating affected weight-loss in fresh-cut Papaya.
- Taxon
- Papaya
_-_DPLA_-_55200ec009622d7d42349f3583df310e.jpg?width=60)
Carica papayat0 - Treatment
- chitosan-soy coatinge1
- Outcome
- weight-losse0
- Comparator
- controlse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_-_DPLA_-_55200ec009622d7d42349f3583df310e.jpg?width=500)
Verbatim
t0“Papaya”
e0“A substantial difference was recorded in the weight-loss of coated samples when compared with controls.”
e1“The chitosan-soy coating delayed the polyphenol oxidase activity and enzymatic browning in the samples.”
Claim · model-written summary
A chitosan-soy coating affected weight-loss in fresh-cut Carrot.
- Taxon
- Carrot
Daucus carotat0 - Treatment
- chitosan-soy coatinge1
- Outcome
- weight-losse0
- Comparator
- controlse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Carrot”
e0“A substantial difference was recorded in the weight-loss of coated samples when compared with controls.”
e1“The chitosan-soy coating delayed the polyphenol oxidase activity and enzymatic browning in the samples.”
Claim · model-written summary
A chitosan-soy coating affected weight-loss in fresh-cut Cucumber.
- Taxon
- Cucumber
Cucumis sativust0 - Treatment
- chitosan-soy coatinge1
- Outcome
- weight-losse0
- Comparator
- controlse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cucumber”
e0“A substantial difference was recorded in the weight-loss of coated samples when compared with controls.”
e1“The chitosan-soy coating delayed the polyphenol oxidase activity and enzymatic browning in the samples.”
Claim · model-written summary
Chitosan-soy coating delayed polyphenol oxidase activity and enzymatic browning in fresh-cut Apple.
- Taxon
- AppleMalus domesticat0
- Treatment
- chitosan-soy coatinge0
- Outcome
- polyphenol oxidase activity and enzymatic browninge0
- Direction
- delayede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Apple”
e0“The chitosan-soy coating delayed the polyphenol oxidase activity and enzymatic browning in the samples.”
Claim · model-written summary
Chitosan-soy coating delayed polyphenol oxidase activity and enzymatic browning in fresh-cut Papaya.
- Taxon
- PapayaCarica papayat0
- Treatment
- chitosan-soy coatinge0
- Outcome
- polyphenol oxidase activity and enzymatic browninge0
- Direction
- delayede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Papaya”
e0“The chitosan-soy coating delayed the polyphenol oxidase activity and enzymatic browning in the samples.”
Claim · model-written summary
Chitosan-soy coating delayed polyphenol oxidase activity and enzymatic browning in fresh-cut Carrot.
- Taxon
- CarrotDaucus carotat0
- Treatment
- chitosan-soy coatinge0
- Outcome
- polyphenol oxidase activity and enzymatic browninge0
- Direction
- delayede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Carrot”
e0“The chitosan-soy coating delayed the polyphenol oxidase activity and enzymatic browning in the samples.”
Claim · model-written summary
Chitosan-soy coating delayed polyphenol oxidase activity and enzymatic browning in fresh-cut Cucumber.
- Taxon
- CucumberCucumis sativust0
- Treatment
- chitosan-soy coatinge0
- Outcome
- polyphenol oxidase activity and enzymatic browninge0
- Direction
- delayede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cucumber”
e0“The chitosan-soy coating delayed the polyphenol oxidase activity and enzymatic browning in the samples.”
Claim · model-written summary
The coating was concluded to improve quality and prolong shelf-life in fresh-cut Apple.
- Taxon
- AppleMalus domesticat0
- Treatment
- chitosan-soy coatinge0
- Outcome
- quality and prolong shelf-lifee0
- Direction
- improvee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Apple”
e0“chitosan-soy coating has the ability to improve quality and prolong shelf-life”
Claim · model-written summary
The coating was concluded to improve quality and prolong shelf-life in fresh-cut Papaya.
- Taxon
- PapayaCarica papayat0
- Treatment
- chitosan-soy coatinge0
- Outcome
- quality and prolong shelf-lifee0
- Direction
- improvee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Papaya”
e0“chitosan-soy coating has the ability to improve quality and prolong shelf-life”
Claim · model-written summary
The coating was concluded to improve quality and prolong shelf-life in fresh-cut Carrot.
- Taxon
- CarrotDaucus carotat0
- Treatment
- chitosan-soy coatinge0
- Outcome
- quality and prolong shelf-lifee0
- Direction
- improvee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Carrot”
e0“chitosan-soy coating has the ability to improve quality and prolong shelf-life”
Claim · model-written summary
The coating was concluded to improve quality and prolong shelf-life in fresh-cut Cucumber.
- Taxon
- CucumberCucumis sativust0
- Treatment
- chitosan-soy coatinge0
- Outcome
- quality and prolong shelf-lifee0
- Direction
- improvee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cucumber”
e0“chitosan-soy coating has the ability to improve quality and prolong shelf-life”
The same questions in other papers
storage · physiology: antioxidant enzymes · Malus domestica (apple)Positive and negative results
9 papers in the same direction as this paper · 5 in the opposite direction
- negative
- no effect
- no effect
11 papers more in this group
See all 15 papers →storage · quality: postharvest · Cucumis sativus (cucumber)Positive and negative results
14 papers in the same direction as this paper · 4 in the opposite direction
- positive
- negative
- no effect
15 papers more in this group
See all 19 papers →storage · quality: postharvest · Daucus carota (carrot)Positive and negative results
15 papers in the same direction as this paper · 6 in the opposite direction
- negative
- negative
- no effect
18 papers more in this group
See all 22 papers →storage · quality: postharvest · Carica papaya (papaya)Positive and negative results
24 papers in the same direction as this paper · 1 in the opposite direction
- negative
- positive
- positive
22 papers more in this group
See all 26 papers →storage · quality: postharvest · Malus domestica (apple)Positive and negative results
92 papers in the same direction as this paper · 22 in the opposite direction · 3 reporting no difference from an alternative
- negative
- no effect
- negative
114 papers more in this group
See all 118 papers →storage · physiology: antioxidant enzymes · Daucus carota (carrot)Results agree
1 paper in the same direction as this paper
- positive
storage · physiology: antioxidant enzymes · Cucumis sativus (cucumber)Results agree
2 papers in the same direction as this paper
- positive
- 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.