Abstract
Abstract Pre‐storage exposure of peaches ( Prunus persica cv Jefferson ) with UV‐C irradiation for 3, 5 or 10 min significantly reduced chilling injury after 14 and 21 days of storage at 5 °C plus 7 days of shelf‐life at 20 °C. Similar reduction in fungal decay was also found by these treatments. Skin browning and UV damage were found to be moderate to severe in peaches after the 15 or 20 min of UV‐C treatments. The 20 min of exposure accelerated deterioration. Fruit treated with UV‐C for 3, 5 or 10 min remained firmer and softened more slowly than the control and those treated with longer durations of exposure. No differences were found in weight loss or respiration rates among the treatments. However, ethylene production was stimulated by all of the UV‐C treatments compared with the control. Putrescine levels increased initially after 3 or 5 min of exposure to UV‐C. A tendency toward higher accumulation of spermidine and spermine was found in peaches after UV exposure. These higher levels of polyamines apparently are a response to the UV‐C irradiation and might be beneficial in increasing the resistance of fruit tissue to deterioration and chilling injury. Copyright © 2004 Society of Chemical Industry
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Claims 9
Claim · model-written summary
UV-C exposure for 3, 5 or 10 minutes significantly reduced chilling injury after cold storage and shelf life.
- Taxon
- peaches
Prunus persicae0 - Material
- Jeffersone0
- Treatment
- UV‐C irradiation for 3, 5 or 10 mine0
- Outcome
- chilling injurye0
- Direction
- reducede0
- Qualifier
- after 14 and 21 days of storage at 5 °C plus 7 days of shelf‐life at 20 °Ce0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pre‐storage exposure of peaches ( Prunus persica cv Jefferson ) with UV‐C irradiation for 3, 5 or 10 min significantly reduced chilling injury after 14 and 21 days of storage at 5 °C plus 7 days of shelf‐life at 20 °C.”
Claim · model-written summary
The same UV-C exposures reduced fungal decay.
- Taxon
- peachesPrunus persicae2
- Treatment
- UV‐C irradiation for 3, 5 or 10 mine1
- Outcome
- fungal decaye0
- Direction
- reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Similar reduction in fungal decay was also found by these treatments.”
e1“UV‐C irradiation for 3, 5 or 10 min”
e2“peaches ( Prunus persica cv Jefferson )”
Claim · model-written summary
Fifteen or twenty minutes of UV-C caused moderate to severe skin browning and UV damage.
- Taxon
- peachesPrunus persicae0
- Treatment
- 15 or 20 min of UV‐C treatmentse0
- Outcome
- Skin browning and UV damagee0
- Direction
- moderate to severee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Skin browning and UV damage were found to be moderate to severe in peaches after the 15 or 20 min of UV‐C treatments.”
Claim · model-written summary
Twenty minutes of UV-C accelerated deterioration.
- Taxon
- peachesPrunus persicae1
- Treatment
- 20 min of exposuree0
- Outcome
- deterioratione0
- Direction
- acceleratede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The 20 min of exposure accelerated deterioration.”
e1“peaches ( Prunus persica cv Jefferson )”
Claim · model-written summary
Peaches exposed for 3, 5 or 10 minutes remained firmer and softened more slowly than controls and longer exposures.
- Taxon
- peachesPrunus persicae1
- Treatment
- UV‐C for 3, 5 or 10 mine0
- Outcome
- firmer and softened more slowlye0
- Direction
- firmer and softened more slowlye0
- Comparator
- the control and those treated with longer durations of exposuree0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Fruit treated with UV‐C for 3, 5 or 10 min remained firmer and softened more slowly than the control and those treated with longer durations of exposure.”
e1“peaches ( Prunus persica cv Jefferson )”
Claim · model-written summary
Weight loss and respiration rates did not differ among treatments.
- Taxon
- peachesPrunus persicae1
- Treatment
- the treatmentse0
- Outcome
- weight loss or respiration ratese0
- Direction
- No differencese0
- Comparator
- among the treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“No differences were found in weight loss or respiration rates among the treatments.”
e1“peaches ( Prunus persica cv Jefferson )”
Claim · model-written summary
All UV-C treatments stimulated ethylene production versus control.
- Taxon
- peachesPrunus persicae1
- Treatment
- all of the UV‐C treatmentse0
- Outcome
- ethylene productione0
- Direction
- stimulatede0
- Comparator
- the controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“ethylene production was stimulated by all of the UV‐C treatments compared with the control.”
e1“peaches ( Prunus persica cv Jefferson )”
Claim · model-written summary
Putrescine levels initially increased after three or five minutes of UV-C.
- Taxon
- peachesPrunus persicae1
- Treatment
- 3 or 5 min of exposure to UV‐Ce0
- Outcome
- Putrescine levelse0
- Direction
- increasede0
- Qualifier
- initiallye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Putrescine levels increased initially after 3 or 5 min of exposure to UV‐C.”
e1“peaches ( Prunus persica cv Jefferson )”
Claim · model-written summary
Spermidine and spermine tended to accumulate more after UV exposure.
- Taxon
- peachesPrunus persicae0
- Treatment
- UV exposuree0
- Outcome
- accumulation of spermidine and sperminee0
- Direction
- highere0
- Qualifier
- A tendencye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A tendency toward higher accumulation of spermidine and spermine was found in peaches after UV exposure.”
The same questions in other papers
uv · disease · Prunus persica (peach)Results agree
10 papers in the same direction as this paper
- positive
- positive
- positive
7 papers more in this group
See all 11 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.