Abstract
Apple [ Malus × sylvestris (L.) Mill. var. domestica (Borkh.) Mansf. ‘Cripps Pink’] fruit were harvested yearly, at two or three maturity stages, from the same California orchard in 2002 through 2005. Fruit firmness, soluble solids, titratable acidity, background color, and percent blush were correlated with the starch pattern index at harvest. Fruit from each harvest were stored at 0.5 ºC in air or in a controlled atmosphere (CA) with 1.5 or 2 KPa O 2 in combination with 1, 3, and 5 KPa CO 2 . Subsets of fruit were treated with 1 μL·L −1 1-methylcyclopropane for 24 hours at 0 ºC or 2200 μL·L −1 diphenylamine (DPA) for 5 minutes. Ethylene production was measured for 30 days after harvest. Ethylene concentration in the storage atmosphere was also monitored during storage. Fruit quality was evaluated after storage plus 5 days of ripening at 20 ºC. Fruit in a CA with 1 or 3 KPa CO 2 maintained firmness and green background color, and produced less ethylene during ripening at 20 ºC than fruit stored in a CA with 5 KPa CO 2 ; however, quality of all CA-stored fruit was better than air-stored fruit. Flesh browning developed only in CA storage, appearing by 2 months and not increasing in incidence with further storage periods. 1-Methylcyclopropane conserved fruit quality in air as well as CA during 4 months of storage, and DPA-treated fruit were firmer after CA storage, but similar after air storage, compared with untreated fruit. Diphenylamine did not control a stem-end scald disorder, which increased with time in storage and affected more than 80% of the fruit after 6 months of air storage.
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Claims 12
Claim · model-written summary
Firmness, soluble solids, acidity, background color, and blush correlated with starch pattern index at harvest.
- Taxon
- Apple
Malus domesticat0 - Outcome
- Fruit firmness, soluble solids, titratable aciditye0
- Comparator
- starch pattern indexe0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Fruit firmness, soluble solids, titratable acidity, background color, and percent blush were correlated with the starch pattern index at harvest”
t0“Apples”
Claim · model-written summary
CA with 1 or 3 KPa CO2 retained firmness and green background color relative to 5 KPa CO2.
- Taxon
- AppleMalus domesticat0
- Treatment
- CA with 1 or 3 KPa CO 2e0
- Outcome
- firmness and green background colore0
- Direction
- maintainede0
- Comparator
- CA with 5 KPa CO 2e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Fruit in a CA with 1 or 3 KPa CO 2 maintained firmness and green background color, and produced less ethylene during ripening at 20 ºC than fruit stored in a CA with 5 KPa CO 2”
t0“Apples”
Claim · model-written summary
CA with 1 or 3 KPa CO2 yielded less ethylene during ripening than 5 KPa CO2.
- Taxon
- AppleMalus domesticat0
- Treatment
- CA with 1 or 3 KPa CO 2e0
- Outcome
- ethylenee0
- Direction
- lesse0
- Qualifier
- during ripening at 20 ºCe0
- Comparator
- CA with 5 KPa CO 2e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Fruit in a CA with 1 or 3 KPa CO 2 maintained firmness and green background color, and produced less ethylene during ripening at 20 ºC than fruit stored in a CA with 5 KPa CO 2”
t0“Apples”
Claim · model-written summary
CA storage yielded better fruit quality than air storage.
- Taxon
- AppleMalus domesticat0
- Treatment
- CA-storede0
- Outcome
- qualitye0
- Direction
- bettere0
- Comparator
- air-storede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“quality of all CA-stored fruit was better than air-stored fruit”
t0“Apples”
Claim · model-written summary
Flesh browning appeared only under CA storage, by two months.
- Taxon
- AppleMalus domesticat0
- Outcome
- Flesh browninge0
- Value
- 2 monthse0
- Setting
- CA storagee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Flesh browning developed only in CA storage, appearing by 2 months”
t0“Apples”
Claim · model-written summary
Flesh browning incidence did not increase with further storage.
- Taxon
- AppleMalus domesticat0
- Outcome
- incidencee0
- Direction
- not increasinge0
- Qualifier
- with further storage periodse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“not increasing in incidence with further storage periods”
t0“Apples”
Claim · model-written summary
1-Methylcyclopropane conserved fruit quality in air and CA for four months.
- Taxon
- AppleMalus domesticat0
- Treatment
- 1-Methylcyclopropanee0
- Outcome
- fruit qualitye0
- Direction
- conservede0
- Value
- 4 monthse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“1-Methylcyclopropane conserved fruit quality in air as well as CA during 4 months of storage”
t0“Apples”
Claim · model-written summary
Diphenylamine treated fruit were firmer after CA storage than untreated fruit.
- Taxon
- AppleMalus domesticat0
- Treatment
- DPA-treatede0
- Outcome
- firmere0
- Direction
- firmere0
- Comparator
- untreated fruite0
- Setting
- CA storagee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“DPA-treated fruit were firmer after CA storage, but similar after air storage, compared with untreated fruit”
t0“Apples”
Claim · model-written summary
Diphenylamine treated and untreated fruit had similar firmness after air storage.
- Taxon
- AppleMalus domesticat0
- Treatment
- DPA-treatede0
- Outcome
- similare0
- Direction
- similare0
- Comparator
- untreated fruite0
- Setting
- air storagee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“DPA-treated fruit were firmer after CA storage, but similar after air storage, compared with untreated fruit”
t0“Apples”
Claim · model-written summary
Diphenylamine did not control stem-end scald.
- Taxon
- AppleMalus domesticat0
- Treatment
- Diphenylaminee0
- Outcome
- stem-end scald disordere0
- Direction
- did not controle0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Diphenylamine did not control a stem-end scald disorder”
t0“Apples”
Claim · model-written summary
Stem-end scald increased with storage time.
- Taxon
- AppleMalus domesticat0
- Outcome
- stem-end scald disordere0
- Direction
- increasede0
- Setting
- storagee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“stem-end scald disorder, which increased with time in storage”
t0“Apples”
Claim · model-written summary
Stem-end scald affected more than 80% of fruit after six months in air.
- Taxon
- AppleMalus domesticat0
- Outcome
- affectede0
- Value
- more than 80%e0
- Qualifier
- after 6 months of air storagee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“affected more than 80% of the fruit after 6 months of air storage”
t0“Apples”
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