Abstract
ABSTRACT The effectiveness of radiation disinfestation of California peaches, nectarines and plums infested by Mediterranean fruit flies ( Ceratitis capitata ) and the effects of gamma‐radiation up to 1 kGy (100 krad) on the sensory qualities of these fruits were studied. Medfly eggs in infested peaches and nectarines treated at 0.4–0.5 kGy (40–50 krad) in a Cobalt‐60 irradiator did not hatch. Results in irradiated plums were inconclusive. Results of triangle tests with a taste panel of 15–20 show no differences in sensory qualities between plum and nectarine samples irradiated at 0.3 kGy and their controls. Some differences were detected between irradiated samples and controls: color and flavor of peaches at 0.3 kGy; color of plums and peaches 0.5 kGy; aroma of peaches and texture of plums at 0.5 kGy. At 1 kGy, differences were found in the texture of plums, nectarines, and peaches, and color and flavor of nectarines. Better control of harvesting, shipping and handling would help retain the qualities of these irradiated fruits.
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Claims 15
Claim · model-written summary
Medfly eggs did not hatch in peaches irradiated at 0.4–0.5 kGy.
- Taxon
- peaches
Prunus persicae0 - Treatment
- treated at 0.4–0.5 kGy (40–50 krad)e0
- Interactor
- Medfly
Ceratitis capitatae0pest - Outcome
- Medfly eggse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Medfly eggs in infested peaches and nectarines treated at 0.4–0.5 kGy (40–50 krad) in a Cobalt‐60 irradiator did not hatch.”
Claim · model-written summary
Medfly eggs did not hatch in nectarines irradiated at 0.4–0.5 kGy.
- Taxon
- nectarinesPrunus persica var. nucipersicae0
- Treatment
- treated at 0.4–0.5 kGy (40–50 krad)e0
- Interactor
- MedflyCeratitis capitatae0pest
- Outcome
- Medfly eggse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Medfly eggs in infested peaches and nectarines treated at 0.4–0.5 kGy (40–50 krad) in a Cobalt‐60 irradiator did not hatch.”
Claim · model-written summary
Radiation results for plums were inconclusive.
- Taxon
- plums
Prunus domesticae0 - Outcome
- Results in irradiated plums were inconclusivee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Results in irradiated plums were inconclusive.”
Claim · model-written summary
Plum sensory quality showed no difference at 0.3 kGy against controls.
- Taxon
- plumPrunus domesticae0
- Treatment
- irradiated at 0.3 kGye0
- Outcome
- sensory qualitiese0
- Direction
- no differencese0
- Comparator
- their controlse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“no differences in sensory qualities between plum and nectarine samples irradiated at 0.3 kGy and their controls”
Claim · model-written summary
Nectarine sensory quality showed no difference at 0.3 kGy against controls.
- Taxon
- nectarinePrunus persica var. nucipersicae0
- Treatment
- irradiated at 0.3 kGye0
- Outcome
- sensory qualitiese0
- Direction
- no differencese0
- Comparator
- their controlse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“no differences in sensory qualities between plum and nectarine samples irradiated at 0.3 kGy and their controls”
Claim · model-written summary
Peach color and flavor differed from controls after 0.3 kGy irradiation.
- Taxon
- peachesPrunus persicae0
- Treatment
- 0.3 kGye0
- Outcome
- color and flavore0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“color and flavor of peaches at 0.3 kGy”
Claim · model-written summary
Plum color differed from controls after 0.5 kGy irradiation.
- Taxon
- plumsPrunus domesticae0
- Treatment
- 0.5 kGye0
- Outcome
- colore0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“color of plums and peaches 0.5 kGy”
Claim · model-written summary
Peach color differed from controls after 0.5 kGy irradiation.
- Taxon
- peachesPrunus persicae0
- Treatment
- 0.5 kGye0
- Outcome
- colore0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“color of plums and peaches 0.5 kGy”
Claim · model-written summary
Peach aroma differed from controls after 0.5 kGy irradiation.
- Taxon
- peachesPrunus persicae0
- Treatment
- 0.5 kGye0
- Outcome
- aromae0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“aroma of peaches and texture of plums at 0.5 kGy”
Claim · model-written summary
Plum texture differed from controls after 0.5 kGy irradiation.
- Taxon
- plumsPrunus domesticae0
- Treatment
- 0.5 kGye0
- Outcome
- texturee0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“aroma of peaches and texture of plums at 0.5 kGy”
Claim · model-written summary
Texture differed in plums at 1 kGy.
- Taxon
- plumsPrunus domesticae0
- Treatment
- 1 kGye0
- Outcome
- texturee0
- Direction
- differencese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At 1 kGy, differences were found in the texture of plums, nectarines, and peaches”
Claim · model-written summary
Texture differed in nectarines at 1 kGy.
- Taxon
- nectarinesPrunus persica var. nucipersicae0
- Treatment
- 1 kGye0
- Outcome
- texturee0
- Direction
- differencese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At 1 kGy, differences were found in the texture of plums, nectarines, and peaches”
Claim · model-written summary
Texture differed in peaches at 1 kGy.
- Taxon
- peachesPrunus persicae0
- Treatment
- 1 kGye0
- Outcome
- texturee0
- Direction
- differencese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At 1 kGy, differences were found in the texture of plums, nectarines, and peaches”
Claim · model-written summary
Nectarine color and flavor differed at 1 kGy.
- Taxon
- nectarinesPrunus persica var. nucipersicae0
- Treatment
- 1 kGye0
- Outcome
- color and flavore0
- Direction
- differencese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At 1 kGy, differences were found in the texture of plums, nectarines, and peaches, and color and flavor of nectarines.”
Claim · model-written summary
Better harvesting, shipping, and handling were recommended to retain irradiated fruit quality.
Verbatim
e0“Better control of harvesting, shipping and handling would help retain the qualities of these irradiated fruits.”
t0“California Stone Fruits”
The same questions in other papers
radiation · quality: general · Prunus domestica (plum)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.