Abstract
Abstract BACKGROUND: Flesh reddening has been described as one of the manifestations of plum fruits to low‐temperature storage for prolonged periods. The influence of factors such as ethylene and delayed storage has not been studied to date. In order to assess that, plum cv. ‘Royal Diamond’ fruits were (a) stored at 5 °C (control), (b) held at 20 °C for 2 days before storage at 5 °C (delayed storage) or (c) maintained at 5 °C under 15 µL L −1 ethylene. Fruits were then transferred to 20 °C and ethylene, respiration, weight loss, firmness, soluble solids content, acidity, flesh reddening, anthocyanin accumulation and phenylalanine ammonia‐lyase (PAL) activity were determined. RESULTS: Delayed storage fruits showed more extensive flesh reddening than control fruits, with increased PAL activity and higher anthocyanin accumulation. Symptoms were expressed more markedly when fruits were stored at 5 °C in ethylene. CONCLUSION: Results indicated that the fruit ripening stage is a critical factor determining the susceptibility of ‘Royal Diamond’ plums to flesh reddening. Fruits continuously exposed to ethylene showed a dramatic increase in reddening, suggesting that ethylene contributes to the development of the disorder. Copyright © 2008 Society of Chemical Industry
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Claims 6
Claim · model-written summary
Delayed storage increased plum flesh reddening relative to control storage.
- Taxon
- plum
Prunus domesticat0 - Material
- ‘Royal Diamond’t0
- Organ / stage
- fruitse0
- Treatment
- Delayed storagee0
- Outcome
- flesh reddeninge0
- Direction
- more extensivee0
- Comparator
- control fruitse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Delayed storage fruits showed more extensive flesh reddening than control fruits”
t0“‘Royal Diamond’ plums”
Claim · model-written summary
Delayed storage increased PAL activity.
- Taxon
- plumPrunus domesticat0
- Treatment
- Delayed storagee0
- Outcome
- PAL activitye0
- Direction
- increasede0
- Comparator
- control fruitse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Delayed storage fruits showed more extensive flesh reddening than control fruits, with increased PAL activity”
t0“plums”
Claim · model-written summary
Delayed storage increased anthocyanin accumulation.
- Taxon
- plumPrunus domesticat0
- Treatment
- Delayed storagee0
- Outcome
- anthocyanin accumulatione0
- Direction
- highere0
- Comparator
- control fruitse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Delayed storage fruits showed more extensive flesh reddening than control fruits, with increased PAL activity and higher anthocyanin accumulation.”
t0“plums”
Claim · model-written summary
Ethylene storage caused more marked flesh reddening symptoms.
- Taxon
- plumPrunus domesticat0
- Treatment
- stored at 5 °C in ethylenee0
- Outcome
- Symptomse0
- Direction
- more markedlye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Symptoms were expressed more markedly when fruits were stored at 5 °C in ethylene.”
t0“plums”
Claim · model-written summary
Continuous ethylene exposure dramatically increased reddening.
- Taxon
- plumPrunus domesticat0
- Treatment
- continuously exposed to ethylenee0
- Outcome
- reddeninge0
- Direction
- dramatic increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Fruits continuously exposed to ethylene showed a dramatic increase in reddening”
t0“plums”
Claim · model-written summary
Fruit ripening stage was interpreted as a critical determinant of reddening susceptibility.
- Taxon
- plumsPrunus domesticae0
- Material
- ‘Royal Diamond’e0
- Organ / stage
- fruit ripening stagee0
- Outcome
- susceptibility of ‘Royal Diamond’ plums to flesh reddeninge0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the fruit ripening stage is a critical factor determining the susceptibility of ‘Royal Diamond’ plums to flesh reddening.”
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