Paper · 2017 · Bioscience Journal

Evaluation of microbial potential and ripening behavoiur of preclimacteric bananas following gamma irradiation

Roheena Abdullah; Hina Qaiser; Adeen Farooq; et al.

8
claims
10
verbatim quotes
4
citations
3
research areas
✓
Open access · cc-by

Abstract

The current study was carried out to evaluate the effects of gamma irradiation on the epiphytic microflora and ripening process of the green Dwarf Cavendish bananas harvested at the three-quarter stage of the maturity. The mature green bananas were irradiated using Cobalt-60 as the source of irradiation at different dosages of 0.5, 0.75 and 1.0 kGy. The mean life of both the experimental and control group of fruits was analyzed under ambient conditions. For all the treatments the microbial potential, the decay percent and the ripening behavior of the fruits were recorded. Results revealed that the applied radiation doses reduced the decay incidence, delayed ripening process and greatly inhibit the microbial growth (total bacterial and fungal count) thereby enhancing the shelf life of bananas. Irradiation dose of 1.0 kGy was found to be the most effective dose to positively maintain the stored bananas under ambient conditions. The mean life of bananas was extended by 14 days. The identification of the enteric bacteriaeaceae through API 20 E strips revealed the presence of Shigella sonnie on the fruit surface along with Escherichia coli and a nonfermentor spp. The dominant spoilage causing fungi identified were Aspergillus niger, Aspergillus flavus, Collotrichum musae, Fusarium oxysporum,Mucor spp, Lasiodiplodia theobromea and Rhizopus stolonifer.

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Claims 8

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Gamma irradiation reduced banana decay.

Taxon
bananase0
Treatment
applied radiation dosese0
Outcome
decay incidencee0
Direction
reducede0

Not reportedComparator

Verbatim

e0

“Results revealed that the applied radiation doses reduced the decay incidence, delayed ripening process and greatly inhibit the microbial growth (total bacterial and fungal count) thereby enhancing the shelf life of bananas.”

✓ located verbatim in the source · abstract, characters 579–803 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Gamma irradiation delayed banana ripening.

Taxon
bananase0
Treatment
applied radiation dosese0
Outcome
ripening processe0
Direction
delayede0

Verbatim

e0

“Results revealed that the applied radiation doses reduced the decay incidence, delayed ripening process and greatly inhibit the microbial growth (total bacterial and fungal count) thereby enhancing the shelf life of bananas.”

✓ located verbatim in the source · abstract, characters 579–803 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Gamma irradiation inhibited microbial growth on bananas.

Taxon
bananase0
Treatment
applied radiation dosese0
Outcome
microbial growth (total bacterial and fungal count)e0
Direction
inhibite0

Verbatim

e0

“Results revealed that the applied radiation doses reduced the decay incidence, delayed ripening process and greatly inhibit the microbial growth (total bacterial and fungal count) thereby enhancing the shelf life of bananas.”

✓ located verbatim in the source · abstract, characters 579–803 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Gamma irradiation enhanced banana shelf life.

Taxon
bananase0
Treatment
applied radiation dosese0
Outcome
shelf life of bananase0
Direction
enhancinge0

Verbatim

e0

“Results revealed that the applied radiation doses reduced the decay incidence, delayed ripening process and greatly inhibit the microbial growth (total bacterial and fungal count) thereby enhancing the shelf life of bananas.”

✓ located verbatim in the source · abstract, characters 579–803 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

The 1.0 kGy dose was most effective for banana storage.

Taxon
bananase0
Treatment
Irradiation dose of 1.0 kGye0
Outcome
maintain the stored bananase0
Direction
most effectivee0
Setting
ambient conditionse0

Verbatim

e0

“Irradiation dose of 1.0 kGy was found to be the most effective dose to positively maintain the stored bananas under ambient conditions.”

✓ located verbatim in the source · abstract, characters 804–939 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Banana mean life extended by 14 days.

Taxon
bananase0
Outcome
mean life of bananase0
Direction
extendede0
Value
14 dayse0

Verbatim

e0

“The mean life of bananas was extended by 14 days.”

✓ located verbatim in the source · abstract, characters 940–989 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Shigella sonnie, Escherichia coli and a nonfermentor were found on banana surfaces.

Taxon
bananast0
Outcome
presence of Shigella sonnie on the fruit surface along with Escherichia coli and a nonfermentor spp.e0

Verbatim

e0

“The identification of the enteric bacteriaeaceae through API 20 E strips revealed the presence of Shigella sonnie on the fruit surface along with Escherichia coli and a nonfermentor spp.”

✓ located verbatim in the source · abstract, characters 990–1176 · show in text ↑
t0

“bananas”

✓ located verbatim in the source · title, characters 75–82 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Seven dominant spoilage fungi were identified on bananas.

Taxon
bananast0
Outcome
dominant spoilage causing fungie0

Verbatim

e0

“The dominant spoilage causing fungi identified were Aspergillus niger, Aspergillus flavus, Collotrichum musae, Fusarium oxysporum,Mucor spp, Lasiodiplodia theobromea and Rhizopus stolonifer.”

✓ located verbatim in the source · abstract, characters 1177–1367 · show in text ↑
t0

“bananas”

✓ located verbatim in the source · title, characters 75–82 · show in text ↑

radiation · disease · MusaPositive and negative results

4 papers: 3 positive, 1 negative or no effect

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

  1. negative
  2. positive
  3. positive
See all 4 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.