Paper · 2015 · food preservation science

Effect of Storage at Chilling Temperatures on the Quality of Squash Fruit (Cucurbita maxima Duch.)

Yoto SAMESHIMA; Katsuyoshi MITSUDOME; Taizou TOKUNAGA; et al.

8
claims
16
verbatim quotes
1
citations
2
research areas
✓
Open access

Abstract

We studied the effects of chilling temperatures on the occurrence of injury and content composition of squash fruit to determine the optimum storage temperature and shelf life. Pitting of the squash fruit was confirmed to be a chilling injury. Pitting was not observed when stored at 10℃ for 91 days. Starch content and firmness of the squash fruit decreased as a result of an increase in storage temperature. Total sugar content increased during storage. In particular, when stored at 5℃, the total sugar content of squash fruit was higher than that at 10℃ and 15℃. It has been suggested that the sweetness can be possibly increased within a short period (while avoiding chilling injury) by storage at 5℃ for 30 days. Considering the chilling injury and variation in content composition during long-term storage, it has been proposed that the optimum storage temperature of squash fruit is 10℃ for 64 days.

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Claims 8

Observationobservedoriginal resultmeasured

Claim · model-written summary

Pitting in squash fruit was identified as chilling injury.

Taxon
squashe0
Organ / stage
fruite0
Outcome
Pittinge0

Verbatim

t0

“Squash Fruit (Cucurbita maxima Duch.)”

✓ located verbatim in the source · title, characters 61–98 · show in text ↑
e0

“Pitting of the squash fruit was confirmed to be a chilling injury”

✓ located verbatim in the source · abstract, characters 177–242 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

No pitting was seen after storage at 10℃ for 91 days.

Taxon
Squash Fruitt0
Treatment
stored at 10℃ for 91 dayse0
Outcome
Pitting was not observede0

Not reportedComparatorDirection

Verbatim

t0

“Squash Fruit (Cucurbita maxima Duch.)”

✓ located verbatim in the source · title, characters 61–98 · show in text ↑
e0

“Pitting was not observed when stored at 10℃ for 91 days”

✓ located verbatim in the source · abstract, characters 244–299 · show in text ↑
Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Squash fruit starch content decreased as storage temperature increased.

Taxon
squashe0
Treatment
increase in storage temperaturee0
Outcome
Starch contente0
Direction
decreasede0

Verbatim

t0

“Squash Fruit (Cucurbita maxima Duch.)”

✓ located verbatim in the source · title, characters 61–98 · show in text ↑
e0

“Starch content and firmness of the squash fruit decreased as a result of an increase in storage temperature”

✓ located verbatim in the source · abstract, characters 301–408 · show in text ↑
Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Squash fruit firmness decreased as storage temperature increased.

Taxon
squashe0
Treatment
increase in storage temperaturee0
Outcome
firmnesse0
Direction
decreasede0

Verbatim

t0

“Squash Fruit (Cucurbita maxima Duch.)”

✓ located verbatim in the source · title, characters 61–98 · show in text ↑
e0

“Starch content and firmness of the squash fruit decreased as a result of an increase in storage temperature”

✓ located verbatim in the source · abstract, characters 301–408 · show in text ↑
Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

Total sugar content increased during storage.

Taxon
Squash Fruitt0
Treatment
storagee0
Outcome
Total sugar contente0
Direction
increasede0

Verbatim

t0

“Squash Fruit (Cucurbita maxima Duch.)”

✓ located verbatim in the source · title, characters 61–98 · show in text ↑
e0

“Total sugar content increased during storage”

✓ located verbatim in the source · abstract, characters 410–454 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Total sugar content at 5℃ exceeded that at 10℃ and 15℃.

Taxon
squashe0
Treatment
stored at 5℃e0
Outcome
total sugar contente0
Direction
highere0
Comparator
10℃ and 15℃e0

Verbatim

t0

“Squash Fruit (Cucurbita maxima Duch.)”

✓ located verbatim in the source · title, characters 61–98 · show in text ↑
e0

“when stored at 5℃, the total sugar content of squash fruit was higher than that at 10℃ and 15℃”

✓ located verbatim in the source · abstract, characters 471–565 · show in text ↑
Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors suggest 5℃ storage for 30 days may increase sweetness while avoiding chilling injury.

Taxon
Squash Fruitt0
Treatment
storage at 5℃ for 30 dayse0
Outcome
sweetness can be possibly increasede0
Qualifier
while avoiding chilling injurye0

Verbatim

t0

“Squash Fruit (Cucurbita maxima Duch.)”

✓ located verbatim in the source · title, characters 61–98 · show in text ↑
e0

“sweetness can be possibly increased within a short period (while avoiding chilling injury) by storage at 5℃ for 30 days”

✓ located verbatim in the source · abstract, characters 598–717 · show in text ↑
Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors propose 10℃ for 64 days as optimal squash fruit storage.

Taxon
squashe0
Outcome
optimum storage temperaturee0
Value
10℃ for 64 dayse0

Verbatim

t0

“Squash Fruit (Cucurbita maxima Duch.)”

✓ located verbatim in the source · title, characters 61–98 · show in text ↑
e0

“optimum storage temperature of squash fruit is 10℃ for 64 days”

✓ located verbatim in the source · abstract, characters 844–906 · show in text ↑

storage · quality: sugar starch · Cucurbita (pumpkins)Positive and negative results

3 papers: 2 positive, 1 negative or no effect

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

  1. no effect
  2. positive
See all 3 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.