Paper · 2019 · Egyptian Journal of Horticulture

Quality Maintaining of Stored Cucumbers Under Cold Stress and Shelf Life at Room Conditions by Integrating Calcium Chloride and Short Hot Water

Ibrahim Nasef

11
claims
22
verbatim quotes
1
citations
2
research areas
✓
Open access

Abstract

Cucumber fruits were impregnated inhot water at 55 oC for 5 min containing 0, 1 or 2% calcium chloride to study the effectiveness of the integration of calcium chloride and short hot water in prompting cold stress tolerance and quality maintenance of cucumbers during cold storage and room conditions. The quality attributes like weight loss, appearance, color, taste, chilling injury, firmness, soluble solids content, sugars and total phenolics, electrolyte leakage and antioxidant enzymes (peroxidase and catalase) were analyzed during cold storage for 7, 14 and 21 days at 4 oC and shelf life at room conditions for 2 and 4 days.The combined treatment of 1% calcium chloride andshort hot water (1%Ca+SHW) exhibited a significant synergistic enhancement in inducing chilling tolerance, degrading peroxidase activity, maximizing catalase activity and reducing electrolyte leakage. Likewise, a good appearance, better taste and color,less weight loss and highest firmness and total phenolicswere documented in 1% Ca+SHW treated cucumbers. SSC and sugars were preserved by inhibiting ripening and senescence processes in 1% Ca+SHW. In the light of this study, 1% calcium chloride in combination with short hot water as a commercial applicationcan be used to maintain quality,increase storability and extend cold storage of cucumbers at 4 °C and shelf life at room conditions or at the market and home.

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Claims 11

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Combined treatment improved chilling tolerance.

Taxon
CucumbersCucumis sativust0
Treatment
1% calcium chloride andshort hot watere0
Outcome
chilling tolerancee0
Direction
enhancemente0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Cucumis sativus
Cucumis sativus · TaxonH. Zell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“The combined treatment of 1% calcium chloride andshort hot water (1%Ca+SHW) exhibited a significant synergistic enhancement in inducing chilling tolerance, degrading peroxidase activity, maximizing catalase activity and reducing electrolyte leakage”

✓ located verbatim in the source · abstract, characters 633–881 · show in text ↑
t0

“Cucumbers”

✓ located verbatim in the source · title, characters 30–39 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Combined treatment degraded peroxidase activity.

Taxon
CucumbersCucumis sativust0
Treatment
1% calcium chloride andshort hot watere0
Outcome
peroxidase activitye0
Direction
degradinge0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Cucumis sativus
Cucumis sativus · TaxonH. Zell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“The combined treatment of 1% calcium chloride andshort hot water (1%Ca+SHW) exhibited a significant synergistic enhancement in inducing chilling tolerance, degrading peroxidase activity, maximizing catalase activity and reducing electrolyte leakage”

✓ located verbatim in the source · abstract, characters 633–881 · show in text ↑
t0

“Cucumbers”

✓ located verbatim in the source · title, characters 30–39 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Combined treatment maximized catalase activity.

Taxon
CucumbersCucumis sativust0
Treatment
1% calcium chloride andshort hot watere0
Outcome
catalase activitye0
Direction
maximizinge0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Cucumis sativus
Cucumis sativus · TaxonH. Zell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“The combined treatment of 1% calcium chloride andshort hot water (1%Ca+SHW) exhibited a significant synergistic enhancement in inducing chilling tolerance, degrading peroxidase activity, maximizing catalase activity and reducing electrolyte leakage”

✓ located verbatim in the source · abstract, characters 633–881 · show in text ↑
t0

“Cucumbers”

✓ located verbatim in the source · title, characters 30–39 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Combined treatment reduced electrolyte leakage.

Taxon
CucumbersCucumis sativust0
Treatment
1% calcium chloride andshort hot watere0
Outcome
electrolyte leakagee0
Direction
reducinge0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Cucumis sativus
Cucumis sativus · TaxonH. Zell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“The combined treatment of 1% calcium chloride andshort hot water (1%Ca+SHW) exhibited a significant synergistic enhancement in inducing chilling tolerance, degrading peroxidase activity, maximizing catalase activity and reducing electrolyte leakage”

✓ located verbatim in the source · abstract, characters 633–881 · show in text ↑
t0

“Cucumbers”

✓ located verbatim in the source · title, characters 30–39 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Combined treatment yielded good appearance.

Taxon
CucumbersCucumis sativust0
Treatment
1% Ca+SHWe0
Outcome
appearancee0
Direction
goode0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Cucumis sativus
Cucumis sativus · TaxonH. Zell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“a good appearance, better taste and color,less weight loss and highest firmness and total phenolicswere documented in 1% Ca+SHW treated cucumbers”

✓ located verbatim in the source · abstract, characters 893–1038 · show in text ↑
t0

“Cucumbers”

✓ located verbatim in the source · title, characters 30–39 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Combined treatment yielded better taste and color.

Taxon
CucumbersCucumis sativust0
Treatment
1% Ca+SHWe0
Outcome
taste and colore0
Direction
bettere0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Cucumis sativus
Cucumis sativus · TaxonH. Zell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“a good appearance, better taste and color,less weight loss and highest firmness and total phenolicswere documented in 1% Ca+SHW treated cucumbers”

✓ located verbatim in the source · abstract, characters 893–1038 · show in text ↑
t0

“Cucumbers”

✓ located verbatim in the source · title, characters 30–39 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Combined treatment yielded less weight loss.

Taxon
CucumbersCucumis sativust0
Treatment
1% Ca+SHWe0
Outcome
weight losse0
Direction
lesse0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Cucumis sativus
Cucumis sativus · TaxonH. Zell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“a good appearance, better taste and color,less weight loss and highest firmness and total phenolicswere documented in 1% Ca+SHW treated cucumbers”

✓ located verbatim in the source · abstract, characters 893–1038 · show in text ↑
t0

“Cucumbers”

✓ located verbatim in the source · title, characters 30–39 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Combined treatment yielded highest firmness.

Taxon
CucumbersCucumis sativust0
Treatment
1% Ca+SHWe0
Outcome
firmnesse0
Direction
higheste0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Cucumis sativus
Cucumis sativus · TaxonH. Zell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“a good appearance, better taste and color,less weight loss and highest firmness and total phenolicswere documented in 1% Ca+SHW treated cucumbers”

✓ located verbatim in the source · abstract, characters 893–1038 · show in text ↑
t0

“Cucumbers”

✓ located verbatim in the source · title, characters 30–39 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Combined treatment yielded highest total phenolics.

Taxon
CucumbersCucumis sativust0
Treatment
1% Ca+SHWe0
Outcome
total phenolicse0
Direction
higheste0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Cucumis sativus
Cucumis sativus · TaxonH. Zell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“a good appearance, better taste and color,less weight loss and highest firmness and total phenolicswere documented in 1% Ca+SHW treated cucumbers”

✓ located verbatim in the source · abstract, characters 893–1038 · show in text ↑
t0

“Cucumbers”

✓ located verbatim in the source · title, characters 30–39 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Soluble solids and sugars were preserved by inhibition of ripening and senescence.

Taxon
CucumbersCucumis sativust0
Treatment
1% Ca+SHWe0
Outcome
SSC and sugarse0
Direction
preservede0
Qualifier
inhibiting ripening and senescence processese0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Cucumis sativus
Cucumis sativus · TaxonH. Zell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“SSC and sugars were preserved by inhibiting ripening and senescence processes in 1% Ca+SHW”

✓ located verbatim in the source · abstract, characters 1040–1130 · show in text ↑
t0

“Cucumbers”

✓ located verbatim in the source · title, characters 30–39 · show in text ↑
Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors recommend combined calcium chloride and hot water to maintain cucumber quality and storability.

Taxon
CucumbersCucumis sativust0
Treatment
1% calcium chloride in combination with short hot watere0
Outcome
maintain quality,increase storability and extend cold storagee0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Cucumis sativus
Cucumis sativus · TaxonH. Zell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“1% calcium chloride in combination with short hot water as a commercial applicationcan be used to maintain quality,increase storability and extend cold storage of cucumbers at 4 °C and shelf life at room conditions or at the market and home”

✓ located verbatim in the source · abstract, characters 1160–1400 · show in text ↑
t0

“Cucumbers”

✓ located verbatim in the source · title, characters 30–39 · show in text ↑

calcium atom · quality: postharvest · Cucumis sativus (cucumber)Positive and negative results

5 papers: 4 positive, 1 negative or no effect

3 papers in the same direction as this paper · 1 in the opposite direction

  1. negative
  2. positive
  3. positive

1 paper more in this group

See all 5 papers →

calcium chloride dihydrate · tolerance: abiotic · Cucumis sativus (cucumber)Results agree

2 papers: 2 positive, 0 negative or no effect

1 paper in the same direction as this paper

  1. positive
See all 2 papers →

calcium atom · quality: phytochemicals · Cucumis sativus (cucumber)Results agree

2 papers: 2 positive, 0 negative or no effect

1 paper in the same direction as this paper

  1. positive
See all 2 papers →

calcium chloride dihydrate · physiology: oxidative · Cucumis sativus (cucumber)Results agree

3 papers: 3 positive, 0 negative or no effect

2 papers in the same direction as this paper

  1. positive
  2. positive
See all 3 papers →

calcium chloride dihydrate · physiology: antioxidant enzymes · Cucumis sativus (cucumber)Results agree

4 papers: 4 positive, 0 negative or no effect

3 papers in the same direction as this paper

  1. positive
  2. positive
  3. positive
See all 4 papers →

heat · physiology: antioxidant enzymes · Cucumis sativus (cucumber)Results differ

12 papers: 9 positive, 3 negative or no effect

8 papers in the same direction as this paper · 3 in the opposite direction

  1. negative
  2. negative
  3. negative

8 papers more in this group

See all 12 papers →

heat · physiology: oxidative · Cucumis sativus (cucumber)Positive and negative results

14 papers: 7 positive, 7 negative or no effect

6 papers in the same direction as this paper · 7 in the opposite direction

  1. negative
  2. negative
  3. negative

10 papers more in this group

See all 14 papers →

heat · tolerance: abiotic · Cucumis sativus (cucumber)Results agree

10 papers: 10 positive, 0 negative or no effect

9 papers in the same direction as this paper

  1. positive
  2. positive
  3. positive

6 papers more in this group

See all 10 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.