Paper · 2009 · Open Life Sciences

Effects of γ-irradiation on antioxidant activity in soybean seeds

Dubravka Štajner; Boris Popović; Ksenija Taški

5
claims
13
verbatim quotes
36
citations
1
research areas
✓
Open access · cc-by-nc-nd

Abstract

Abstract There are some reports that low doses of γ-irradiation could induce antioxidant activities in plant material, including soybean. Irradiation, required for the inactivation of some pathogens and induction of mutations, may have adverse effects on sensorial, nutritional and antioxidant qualities. The effects of different γ-irradiation doses (100–200 Gy) on antioxidant properties of soybean seeds was investigated. In this study, we report the results obtained by analysis of antioxidant enzyme activities, reduced glutathione, malonyldialdehyde (MDA) and hydroxyl (HO−) radical quantities, soluble protein content, and total antioxidant activity in irradiated soybean seeds. Antioxidant enzyme activities were affected due to high irradiation intensity. Significant changes of total antioxidant activity and MDA and HO.quantities were observed only under the highest irradiation dose, with a 15.7% reduction in total antioxidant activity, MDA quantity increase of 21.6%, and HO− radical quantity increase of 79.3% compared to the non-irradiated control. The total soluble protein content increased slightly.

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Claims 5

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

High irradiation intensity affected antioxidant enzyme activities in soybean seeds.

Taxon
soybeanGlycine maxt0
Treatment
high irradiation intensitye0
Outcome
Antioxidant enzyme activitiese0

Not reportedComparatorDirection

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“Antioxidant enzyme activities were affected due to high irradiation intensity”

✓ located verbatim in the source · abstract, characters 685–762 · show in text ↑
t0

“soybean seeds”

✓ located verbatim in the source · title, characters 52–65 · show in text ↑
Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

The highest irradiation dose reduced total antioxidant activity by 15.7% relative to non-irradiated controls.

Taxon
soybeanGlycine maxt0
Treatment
highest irradiation dosee0
Outcome
total antioxidant activitye0
Direction
reductione0
Value
15.7%e0
Comparator
non-irradiated controle0

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“Significant changes of total antioxidant activity and MDA and HO.quantities were observed only under the highest irradiation dose, with a 15.7% reduction in total antioxidant activity, MDA quantity increase of 21.6%, and HO− radical quantity increase of 79.3% compared to the non-irradiated control”

✓ located verbatim in the source · abstract, characters 764–1062 · show in text ↑
t0

“soybean seeds”

✓ located verbatim in the source · title, characters 52–65 · show in text ↑
Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

The highest irradiation dose increased MDA quantity by 21.6% relative to non-irradiated controls.

Taxon
soybeanGlycine maxt0
Treatment
highest irradiation dosee1
Outcome
MDA quantitye0
Direction
increasee0
Value
21.6%e0
Comparator
non-irradiated controle0

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“MDA quantity increase of 21.6%, and HO− radical quantity increase of 79.3% compared to the non-irradiated control”

✓ located verbatim in the source · abstract, characters 949–1062 · show in text ↑
e1

“highest irradiation dose”

✓ located verbatim in the source · abstract, characters 869–893 · show in text ↑
t0

“soybean seeds”

✓ located verbatim in the source · title, characters 52–65 · show in text ↑
Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

The highest irradiation dose increased HO− radical quantity by 79.3% relative to non-irradiated controls.

Taxon
soybeanGlycine maxt0
Treatment
highest irradiation dosee1
Outcome
HO− radical quantitye0
Direction
increasee0
Value
79.3%e0
Comparator
non-irradiated controle0

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“HO− radical quantity increase of 79.3% compared to the non-irradiated control”

✓ located verbatim in the source · abstract, characters 985–1062 · show in text ↑
e1

“highest irradiation dose”

✓ located verbatim in the source · abstract, characters 869–893 · show in text ↑
t0

“soybean seeds”

✓ located verbatim in the source · title, characters 52–65 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Total soluble protein content increased slightly in irradiated soybean seeds.

Taxon
soybeanGlycine maxt0
Treatment
irradiatede1
Outcome
total soluble protein contente0
Direction
increasede0
Qualifier
slightlye0

Not reportedComparator

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“The total soluble protein content increased slightly.”

✓ located verbatim in the source · abstract, characters 1064–1117 · show in text ↑
e1

“irradiated soybean seeds”

✓ located verbatim in the source · abstract, characters 659–683 · show in text ↑
t0

“soybean seeds”

✓ located verbatim in the source · title, characters 52–65 · show in text ↑

radiation · quality: phytochemicals · Glycine max (soybean)Positive and negative results

6 papers: 3 positive, 3 negative or no effect

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

  1. no effect
  2. positive
  3. positive

2 papers more in this group

See all 6 papers →

radiation · molecular: metabolites · Glycine max (soybean)Positive and negative results

20 papers: 14 positive, 6 negative or no effect

5 papers in the same direction as this paper · 14 in the opposite direction

  1. no effect
  2. positive
  3. positive

16 papers more in this group

See all 20 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.