Abstract
Fresh vegetables, in some cases stored in nitrogen, were gamma irradiated with doses of 0.25 to 1.0 Mrad, then stored at 35 deg F, and evaluated for taste at various periods up to 305 days. All nitrogen-packed irradiated sweet corn was acceptable after 305 days, in contrast with unirradiated 35 deg F control samples, which were spoiled. One set of nitrogenpacked irradiated broccoli samples was acceptable after 270 days at 35 deg F; all others were unacceptable after this period. All of the irradiated strawberries were less acceptable than 35 deg F controls at all time periods. Correlation of objective color measurements with visual color scores varied with the product, but dominant wavelength, purity, or brightness was significantly related to color score for all products tested. Irradiation of strawberries resulted in bleaching of the characteristic red color, the amount of bleaching being greater at the higher dose levels. Samples irradiated at the higher levels had the lowest average dominant wavelength, closer to the orange area of the spectrum, and the lowest average purity. The pH of all strawberry syrup samples was between 3.1 and 3.5, and varied only slightly with blanching, radiation treatment, or time period. (H.H.D.)
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Claims 8
Claim · model-written summary
Nitrogen-packed irradiated sweet corn remained acceptable after 305 days while unirradiated controls spoiled.
- Taxon
- sweet corne0
- Treatment
- nitrogen-packed irradiatede0
- Outcome
- acceptable after 305 dayse0
- Comparator
- unirradiated 35 deg F control samplese0
Not reportedDirection
Verbatim
e0“All nitrogen-packed irradiated sweet corn was acceptable after 305 days, in contrast with unirradiated 35 deg F control samples, which were spoiled.”
Claim · model-written summary
One nitrogen-packed irradiated broccoli sample set remained acceptable after 270 days.
- Taxon
- broccoli
Brassica oleracea var. italicae0 - Outcome
- acceptable after 270 dayse0
- Qualifier
- all others were unacceptable after this periode0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“One set of nitrogenpacked irradiated broccoli samples was acceptable after 270 days at 35 deg F; all others were unacceptable after this period.”
Claim · model-written summary
Irradiated strawberries were less acceptable than controls at all times.
- Taxon
- strawberries
_single2.jpg?width=60)
Fragaria ×ananassae0 - Treatment
- irradiatede0
- Outcome
- acceptablee0
- Direction
- lesse0
- Comparator
- 35 deg F controlse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_single2.jpg?width=500)
Verbatim
e0“All of the irradiated strawberries were less acceptable than 35 deg F controls at all time periods.”
Claim · model-written summary
Color metrics were significantly related to visual color score for all products.
Not reportedTaxonDirection
Verbatim
e0“dominant wavelength, purity, or brightness was significantly related to color score for all products tested.”
Claim · model-written summary
Irradiation bleached strawberry red color more at higher doses.
- Taxon
- strawberriesFragaria ×ananassae0
- Treatment
- Irradiatione0
- Outcome
- bleaching of the characteristic red colore0
- Direction
- greatere0
- Comparator
- higher dose levelse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Irradiation of strawberries resulted in bleaching of the characteristic red color, the amount of bleaching being greater at the higher dose levels.”
Claim · model-written summary
Higher irradiation levels produced the lowest average dominant wavelength.
- Taxon
- STRAWBERRIESt0
- Treatment
- irradiated at the higher levelse0
- Outcome
- average dominant wavelengthe0
- Direction
- loweste0
Not reportedComparator
Verbatim
e0“Samples irradiated at the higher levels had the lowest average dominant wavelength, closer to the orange area of the spectrum, and the lowest average purity.”
t0“STRAWBERRIES”
Claim · model-written summary
Higher irradiation levels produced the lowest average purity.
- Taxon
- STRAWBERRIESt0
- Treatment
- irradiated at the higher levelse0
- Outcome
- average puritye0
- Direction
- loweste0
Not reportedComparator
Verbatim
e0“Samples irradiated at the higher levels had the lowest average dominant wavelength, closer to the orange area of the spectrum, and the lowest average purity.”
t0“STRAWBERRIES”
Claim · model-written summary
Strawberry syrup pH ranged from 3.1 to 3.5 and changed only slightly with treatments or time.
- Taxon
- strawberryFragaria ×ananassae0
- Outcome
- pHe0
- Direction
- varied only slightlye0
- Value
- between 3.1 and 3.5e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The pH of all strawberry syrup samples was between 3.1 and 3.5, and varied only slightly with blanching, radiation treatment, or time period.”
The same questions in other papers
radiation · crop injury · Fragaria x ananassa (strawberry)Positive and negative results
1 in the opposite direction
- positive
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.