Paper · 1971 · Journal of Food Science

EFFECT OF GAMMA IRRADIATION ON THE POSTHARVEST PHYSIOLOGY OF FIVE BANANA VARIETIES GROWN IN INDIA

PAUL THOMAS; S. D. DHARKAR; A. SREENIVASAN

10
claims
20
verbatim quotes
30
citations
1
research areas
—
Not open access

Abstract

ABSTRACT— Gamma irradiation to 20–40 krad inhibits the ripening changes in preclimacteric bananas without affecting the fruit quality. Both fruit maturity at harvest and post‐irradiation storage temperature markedly influence the response to irradiation. The optimum dose and the maximum tolerable dose varied among the five varieties screened. Ability of the banana fruit to withstand higher doses of gamma irradiation depends on the physiological status of the fruit at time of irradiation. Irrespective of varietal differences, irradiation of preclimacteric bananas to doses above 50 krad resulted in severe skin discoloration and fruit splitting. Irradiation under anoxia did not markedly reduce the radiation injury, suggesting that factors other than ozone formed during irradiation in air may contribute the radiation damage. Fruits on the climacteric could tolerate up to 200 krad but no effect on ripening rate was observed. Ethylene or 2,4‐D could reverse irradiation‐induced inhibition of ripening in bananas. Irradiation seems to decrease the sensitivity of banana fruit to the ripening action of exogenously added ethylene.

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Claims 10

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Gamma irradiation at 20–40 krad inhibited ripening changes in preclimacteric bananas without affecting fruit quality.

Taxon
bananase1
Organ / stage
preclimacterice1
Treatment
Gamma irradiation to 20–40 krade1
Outcome
ripening changese1
Direction
inhibitse1
Qualifier
without affecting the fruit qualitye1

Not reportedComparator

Verbatim

e1

“Gamma irradiation to 20–40 krad inhibits the ripening changes in preclimacteric bananas without affecting the fruit quality”

✓ located verbatim in the source · abstract, characters 10–133 · show in text ↑
t0

“FIVE BANANA VARIETIES GROWN IN INDIA”

✓ located verbatim in the source · title, characters 61–97 · show in text ↑
Associationobservedoriginal resultmeasured

Claim · model-written summary

Fruit maturity at harvest and post-irradiation storage temperature markedly influenced the response of bananas to irradiation.

Taxon
BANANAt0
Treatment
fruit maturity at harveste2
Outcome
response to irradiatione2

Not reportedDirection

Verbatim

e2

“Both fruit maturity at harvest and post‐irradiation storage temperature markedly influence the response to irradiation”

✓ located verbatim in the source · abstract, characters 135–253 · show in text ↑
t0

“FIVE BANANA VARIETIES GROWN IN INDIA”

✓ located verbatim in the source · title, characters 61–97 · show in text ↑
Associationobservedoriginal resultmeasured

Claim · model-written summary

The optimum dose and the maximum tolerable dose of gamma irradiation varied among the five banana varieties.

Taxon
BANANAt0
Material
five varietiese3
Outcome
The optimum dose and the maximum tolerable dosee3

Not reportedDirection

Verbatim

e3

“The optimum dose and the maximum tolerable dose varied among the five varieties screened”

✓ located verbatim in the source · abstract, characters 255–343 · show in text ↑
t0

“FIVE BANANA VARIETIES GROWN IN INDIA”

✓ located verbatim in the source · title, characters 61–97 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Irradiation of preclimacteric bananas at doses above 50 krad resulted in severe skin discoloration and fruit splitting.

Taxon
bananase4
Organ / stage
preclimacterice4
Treatment
doses above 50 krade4
Outcome
skin discoloration and fruit splittinge4
Direction
resulted ine4

Not reportedComparator

Verbatim

e4

“Irrespective of varietal differences, irradiation of preclimacteric bananas to doses above 50 krad resulted in severe skin discoloration and fruit splitting”

✓ located verbatim in the source · abstract, characters 493–649 · show in text ↑
t0

“FIVE BANANA VARIETIES GROWN IN INDIA”

✓ located verbatim in the source · title, characters 61–97 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Climacteric banana fruit could tolerate gamma irradiation up to 200 krad.

Taxon
BANANAt0
Organ / stage
climacterice5
Outcome
toleratee5
Qualifier
up to 200 krade5

Verbatim

e5

“Fruits on the climacteric could tolerate up to 200 krad but no effect on ripening rate was observed”

✓ located verbatim in the source · abstract, characters 833–932 · show in text ↑
t0

“FIVE BANANA VARIETIES GROWN IN INDIA”

✓ located verbatim in the source · title, characters 61–97 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Irradiation up to 200 krad had no effect on the ripening rate of climacteric banana fruit.

Taxon
BANANAt0
Organ / stage
climacterice5
Treatment
up to 200 krade5
Outcome
ripening ratee5
Direction
no effecte5

Not reportedComparator

Verbatim

e5

“Fruits on the climacteric could tolerate up to 200 krad but no effect on ripening rate was observed”

✓ located verbatim in the source · abstract, characters 833–932 · show in text ↑
t0

“FIVE BANANA VARIETIES GROWN IN INDIA”

✓ located verbatim in the source · title, characters 61–97 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Irradiation under anoxia did not markedly reduce radiation injury to banana fruit.

Taxon
BANANAt0
Treatment
Irradiation under anoxiae6
Outcome
radiation injurye6
Direction
did not markedly reducee6

Not reportedComparator

Verbatim

e6

“Irradiation under anoxia did not markedly reduce the radiation injury”

✓ located verbatim in the source · abstract, characters 651–720 · show in text ↑
t0

“FIVE BANANA VARIETIES GROWN IN INDIA”

✓ located verbatim in the source · title, characters 61–97 · show in text ↑
Associationobservedoriginal resultmeasured

Claim · model-written summary

The ability of banana fruit to withstand higher irradiation doses depends on its physiological status at irradiation.

Taxon
banana fruite7
Treatment
physiological status of the fruit at time of irradiatione7
Outcome
Ability of the banana fruit to withstand higher dosese7

Not reportedDirection

Verbatim

e7

“Ability of the banana fruit to withstand higher doses of gamma irradiation depends on the physiological status of the fruit at time of irradiation”

✓ located verbatim in the source · abstract, characters 345–491 · show in text ↑
t0

“FIVE BANANA VARIETIES GROWN IN INDIA”

✓ located verbatim in the source · title, characters 61–97 · show in text ↑
Associationauthor interpretationoriginal resultmeasured

Claim · model-written summary

Irradiation seems to decrease the sensitivity of banana fruit to the ripening action of exogenously added ethylene.

Taxon
banana fruite0
Treatment
Irradiatione0
Compound
ethylenee0
Outcome
sensitivitye0
Direction
decreasee0

Verbatim

e0

“Irradiation seems to decrease the sensitivity of banana fruit to the ripening action of exogenously added ethylene”

✓ located verbatim in the source · abstract, characters 1021–1135 · show in text ↑
t0

“FIVE BANANA VARIETIES GROWN IN INDIA”

✓ located verbatim in the source · title, characters 61–97 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Ethylene or 2,4-D could reverse irradiation-induced inhibition of ripening in bananas.

Taxon
bananase0
Treatment
Ethylene or 2,4‐De0
Outcome
inhibition of ripeninge0
Direction
reversee0

Not reportedComparator

Verbatim

e0

“Ethylene or 2,4‐D could reverse irradiation‐induced inhibition of ripening in bananas”

✓ located verbatim in the source · abstract, characters 934–1019 · show in text ↑
t0

“FIVE BANANA VARIETIES GROWN IN INDIA”

✓ located verbatim in the source · title, characters 61–97 · show in text ↑

ethene · disease · MusaPositive and negative results

6 papers: 5 positive, 1 negative or no effect

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

  1. no effect
  2. positive
  3. positive

2 papers more in this group

See all 6 papers →

2,4-D · disease · MusaResults 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 →

radiation · quality: postharvest · MusaPositive and negative results

6 papers: 5 positive, 1 negative or no effect

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

  1. no effect
  2. positive
  3. positive

2 papers more in this group

See all 6 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.