Paper · 1975 · Journal of the Science of Food and Agriculture

Effects of gamma irradiation and storage temperature on carotenoids and ascorbic acid content of mangoes on ripening

Paul Thomas; Machhindra T. Janave

8
claims
15
verbatim quotes
34
citations
2
research areas
—
Not open access

Abstract

Abstract Synthesis and accumulation of carotenoids in the flesh of Alphonso mangoes on ripening was found to be maximal in fruits stored at tropical ambient temperatures (28–32°C). Gamma irradiation of preclimacteric fruits at 25 krad did not affect the formation of carotenoids. Storage of preclimacteric fruits either irradiated or unirradiated at 7–20°C for 16–43 days caused a substantial reduction in carotenoid formation even when these fruits were subsequently ripened under optimal conditions. Regardless of storage temperature, carotenes always exceeded xanthophylls in the ripe fruits and, in general, irradiated fruits showed higher levels of carotenes in comparison with unirradiated samples. Ascorbic acid loss during ripening was maximum at ambient temperatures while lengthy storage at low temperatures caused a net increase in ascorbic acid levels. Irradiation seemed to accentuate the loss in ascorbic acid during ripening.

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The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.

Claims 8

Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Carotenoid accumulation during ripening was maximal at 28–32°C ambient storage.

Taxon
mangoesMangifera indicae0
Material
Alphonsoe0
Organ / stage
fleshe0
Outcome
Synthesis and accumulation of carotenoidse0
Direction
maximale0
Value
28–32°Ce0
Setting
tropical ambient temperaturese0

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

Mangifera indica
Mangifera indica · TaxonBilljones94 · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Synthesis and accumulation of carotenoids in the flesh of Alphonso mangoes on ripening was found to be maximal in fruits stored at tropical ambient temperatures (28–32°C).”

✓ located verbatim in the source · abstract, characters 9–180 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Gamma irradiation at 25 krad did not affect carotenoid formation.

Taxon
mangoesMangifera indicat0
Treatment
Gamma irradiation of preclimacteric fruits at 25 krade0
Outcome
formation of carotenoidse0
Direction
did not affecte0

Not reportedComparator

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

Mangifera indica
Mangifera indica · TaxonBilljones94 · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Gamma irradiation of preclimacteric fruits at 25 krad did not affect the formation of carotenoids.”

✓ located verbatim in the source · abstract, characters 181–279 · show in text ↑
t0

“mangoes”

✓ located verbatim in the source · title, characters 97–104 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Low-temperature storage reduced subsequent carotenoid formation in irradiated and unirradiated fruit.

Taxon
mangoesMangifera indicat0
Treatment
Storage of preclimacteric fruits either irradiated or unirradiated at 7–20°C for 16–43 dayse0
Outcome
carotenoid formatione0
Direction
substantial reductione0
Qualifier
subsequently ripened under optimal conditionse0

Not reportedComparator

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

Mangifera indica
Mangifera indica · TaxonBilljones94 · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Storage of preclimacteric fruits either irradiated or unirradiated at 7–20°C for 16–43 days caused a substantial reduction in carotenoid formation even when these fruits were subsequently ripened under optimal conditions.”

✓ located verbatim in the source · abstract, characters 280–501 · show in text ↑
t0

“mangoes”

✓ located verbatim in the source · title, characters 97–104 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Carotenes exceeded xanthophylls in ripe fruit at all storage temperatures.

Taxon
mangoesMangifera indicat0
Organ / stage
ripe fruitse0
Outcome
carotenese0
Direction
exceedede0
Comparator
xanthophyllse0

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

Mangifera indica
Mangifera indica · TaxonBilljones94 · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Regardless of storage temperature, carotenes always exceeded xanthophylls in the ripe fruits”

✓ located verbatim in the source · abstract, characters 502–594 · show in text ↑
t0

“mangoes”

✓ located verbatim in the source · title, characters 97–104 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Irradiated fruit generally had higher carotene levels than unirradiated fruit.

Taxon
mangoesMangifera indicat0
Treatment
irradiated fruitse0
Outcome
levels of carotenese0
Direction
highere0
Comparator
unirradiated samplese0

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

Mangifera indica
Mangifera indica · TaxonBilljones94 · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“in general, irradiated fruits showed higher levels of carotenes in comparison with unirradiated samples.”

✓ located verbatim in the source · abstract, characters 600–704 · show in text ↑
t0

“mangoes”

✓ located verbatim in the source · title, characters 97–104 · show in text ↑
Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Ascorbic acid loss during ripening was greatest at ambient temperature.

Taxon
mangoesMangifera indicat0
Organ / stage
ripeninge0
Outcome
Ascorbic acid losse0
Direction
maximume0
Setting
ambient temperaturese0

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

Mangifera indica
Mangifera indica · TaxonBilljones94 · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Ascorbic acid loss during ripening was maximum at ambient temperatures”

✓ located verbatim in the source · abstract, characters 705–775 · show in text ↑
t0

“mangoes”

✓ located verbatim in the source · title, characters 97–104 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Lengthy low-temperature storage produced a net increase in ascorbic acid.

Taxon
mangoesMangifera indicat0
Treatment
lengthy storage at low temperaturese0
Outcome
ascorbic acid levelse0
Direction
net increasee0

Not reportedComparator

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

Mangifera indica
Mangifera indica · TaxonBilljones94 · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“lengthy storage at low temperatures caused a net increase in ascorbic acid levels.”

✓ located verbatim in the source · abstract, characters 782–864 · show in text ↑
t0

“mangoes”

✓ located verbatim in the source · title, characters 97–104 · show in text ↑
Intervention effectauthor interpretationoriginal resultnegativemeasured

Claim · model-written summary

Irradiation appeared to accentuate ascorbic acid loss during ripening.

Taxon
mangoesMangifera indicat0
Organ / stage
ripeninge0
Treatment
Irradiatione0
Outcome
loss in ascorbic acide0
Direction
accentuatee0

Not reportedComparator

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

Mangifera indica
Mangifera indica · TaxonBilljones94 · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Irradiation seemed to accentuate the loss in ascorbic acid during ripening.”

✓ located verbatim in the source · abstract, characters 865–940 · show in text ↑
t0

“mangoes”

✓ located verbatim in the source · title, characters 97–104 · show in text ↑

radiation · molecular: metabolites · Mangifera indica (mango)Positive and negative results

3 papers: 2 positive, 1 negative or no effect

1 paper in the same direction as this paper · 1 reporting no difference from an alternative

  1. no effect
  2. positive
See all 3 papers →

storage · physiology: pigments · Mangifera indica (mango)Positive and negative results

9 papers: 6 positive, 3 negative or no effect

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

  1. positive
  2. positive
  3. positive

5 papers more in this group

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cold · quality: phytochemicals · Mangifera indica (mango)Positive and negative results

10 papers: 7 positive, 3 negative or no effect

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

  1. negative
  2. negative
  3. negative

6 papers more in this group

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radiation · quality: phytochemicals · Mangifera indica (mango)Positive and negative results

13 papers: 5 positive, 8 negative or no effect

7 papers in the same direction as this paper · 5 in the opposite direction

  1. positive
  2. positive
  3. positive

9 papers more in this group

See all 13 papers →

storage · quality: phytochemicals · Mangifera indica (mango)Positive and negative results

31 papers: 23 positive, 8 negative or no effect

22 papers in the same direction as this paper · 7 in the opposite direction · 1 reporting no difference from an alternative

  1. no effect
  2. negative
  3. negative

27 papers more in this group

See all 31 papers →

radiation · physiology: pigments · Mangifera indica (mango)Results agree

3 papers: 0 positive, 3 negative or no effect

2 papers in the same direction as this paper

  1. no effect
  2. negative
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.