Abstract
Alphonso mangoes ( Mangifera indica L.) pre-treated with either N-propyl-N-[2- (2,4,6-trichlorophenoxy) ethyl] imidazole-1-carboxamide (prochloraz) or hot water (HW) were stored under controlled atmosphere (CA) consisting of 5% O2 and 5% CO2 for 45 days at 8ºC followed by ripening at ambient conditions. Pre-treatments had a pronounced effect on storage life as well as disease incidence. Untreated fruits stored in CA were completely rotten. Irrespective of pre-treatments fruits stored in air showed chilling injury (CI) symptoms during storage at 8ºC and intensity further increased during ripening. Prochloraz or HW pre-treatment followed by CA storage resulted in fruits absolutely free from morphological CI with fresh appearance, hard, green and ripened normally when shifted to ambient conditions (24-29º C, 60-70% RH). Effect of pre-treatments and CA storage on antioxidant enzymes viz. catalase (CAT) peroxidase (POX) and superoxide dismutase (SOD) was compared. The unripe air stored fruits (untreated, prochloraz treated and HW-treated) after 45 days of storage at 8º C showed significantly higher CAT and SOD activity and lower POX activity in comparison to that stored in CA (prochloraz and hot water treated fruits). Freshly harvested matured green fruits showed comparatively less CAT activity than pretreated and stored fruits. Unripe, prochloraz and HW-pretreated fruits of CA storage and freshly harvested fruits have shown similar SOD activity. After 45 days of CA storage at 8ºC, POX activity in prochloraz and HW-treated fruits was higher than that found in freshly harvested fruits. After ripening under ambient conditions, prochloraz and HW-treated fruits stored in both CA and air showed significantly higher antioxidant enzyme (CAT, POX and SOD) activities than corresponding untreated fruits. Total phenol content and 2, 2-Diphenyl-2-picrylhydrazyl (DPPH) radical scavenging activity of fruits decreased during CA storage and after ripening when compared to freshly harvested fruits. Decrease was also significant between unripe and ripened fruits of different treatments. Prochloraz or HW-treated fruits stored in CA had highest carotenoids content compared to fruits stored in air after they were ripened at ambient conditions. The present study revealed that CA storage helped in retaining the antioxidant levels of Alphonso mangoes when they were pretreated with prochloraz or hot water.
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Claims 15
Claim · model-written summary
Pretreatments strongly affected storage life and disease incidence.
- Taxon
- Mangifera indica L.
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Mangifera indicat0 - Treatment
- Pre-treatmentse0
- Outcome
- storage life as well as disease incidencee0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_from_India.jpg?width=500)
Verbatim
e0“Pre-treatments had a pronounced effect on storage life as well as disease incidence.”
t0“Mangifera indica L.”
Claim · model-written summary
Untreated fruit stored in controlled atmosphere completely rotted.
- Taxon
- Mangifera indica L.Mangifera indicat0
- Treatment
- CAe0
- Outcome
- completely rottene0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Untreated fruits stored in CA were completely rotten.”
t0“Mangifera indica L.”
Claim · model-written summary
Fruit stored in air showed chilling injury during storage, which intensified on ripening.
- Taxon
- Mangifera indica L.Mangifera indicat0
- Treatment
- aire0
- Outcome
- chilling injury (CI) symptomse0
- Direction
- increasede0
- Qualifier
- during ripeninge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Irrespective of pre-treatments fruits stored in air showed chilling injury (CI) symptoms during storage at 8ºC and intensity further increased during ripening.”
t0“Mangifera indica L.”
Claim · model-written summary
Prochloraz pretreatment followed by CA storage prevented morphological chilling injury and allowed normal ripening.
- Taxon
- Mangifera indica L.Mangifera indicat0
- Treatment
- Prochloraz or HW pre-treatment followed by CA storagee0
- Outcome
- absolutely free from morphological CIe0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Prochloraz or HW pre-treatment followed by CA storage resulted in fruits absolutely free from morphological CI with fresh appearance, hard, green and ripened normally when shifted to ambient conditions (24-29º C, 60-70% RH).”
t0“Mangifera indica L.”
Claim · model-written summary
Air-stored unripe fruit had significantly higher CAT and SOD activity than CA-stored pretreated fruit.
- Taxon
- Mangifera indica L.Mangifera indicat0
- Treatment
- air storede0
- Outcome
- CAT and SOD activitye0
- Direction
- highere0
- Comparator
- that stored in CAe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The unripe air stored fruits (untreated, prochloraz treated and HW-treated) after 45 days of storage at 8º C showed significantly higher CAT and SOD activity and lower POX activity in comparison to that stored in CA (prochloraz and hot water treated fruits).”
t0“Mangifera indica L.”
Claim · model-written summary
Air-stored unripe fruit had lower POX activity than CA-stored pretreated fruit.
- Taxon
- Mangifera indica L.Mangifera indicat0
- Treatment
- air storede0
- Outcome
- POX activitye0
- Direction
- lowere0
- Comparator
- that stored in CAe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The unripe air stored fruits (untreated, prochloraz treated and HW-treated) after 45 days of storage at 8º C showed significantly higher CAT and SOD activity and lower POX activity in comparison to that stored in CA (prochloraz and hot water treated fruits).”
t0“Mangifera indica L.”
Claim · model-written summary
Freshly harvested green fruit had less CAT activity than pretreated stored fruit.
- Taxon
- Mangifera indica L.Mangifera indicat0
- Treatment
- Freshly harvestede0
- Outcome
- CAT activitye0
- Direction
- lesse0
- Comparator
- pretreated and stored fruitse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Freshly harvested matured green fruits showed comparatively less CAT activity than pretreated and stored fruits.”
t0“Mangifera indica L.”
Claim · model-written summary
CA-stored pretreated fruit and freshly harvested fruit showed similar SOD activity.
- Taxon
- Mangifera indica L.Mangifera indicat0
- Treatment
- CA storagee0
- Outcome
- SOD activitye0
- Direction
- similare0
- Comparator
- freshly harvested fruitse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Unripe, prochloraz and HW-pretreated fruits of CA storage and freshly harvested fruits have shown similar SOD activity.”
t0“Mangifera indica L.”
Claim · model-written summary
CA-stored pretreated fruit had higher POX activity than fresh fruit after 45 days.
- Taxon
- Mangifera indica L.Mangifera indicat0
- Treatment
- CA storagee0
- Outcome
- POX activitye0
- Direction
- highere0
- Comparator
- freshly harvested fruitse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“After 45 days of CA storage at 8ºC, POX activity in prochloraz and HW-treated fruits was higher than that found in freshly harvested fruits.”
t0“Mangifera indica L.”
Claim · model-written summary
After ripening, pretreated fruit had significantly higher CAT, POX and SOD activities than untreated fruit in CA and air.
- Taxon
- Mangifera indica L.Mangifera indicat0
- Treatment
- prochloraz and HW-treatede0
- Outcome
- antioxidant enzyme (CAT, POX and SOD) activitiese0
- Direction
- highere0
- Comparator
- corresponding untreated fruitse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“After ripening under ambient conditions, prochloraz and HW-treated fruits stored in both CA and air showed significantly higher antioxidant enzyme (CAT, POX and SOD) activities than corresponding untreated fruits.”
t0“Mangifera indica L.”
Claim · model-written summary
Total phenol content declined during CA storage and ripening relative to fresh fruit.
- Taxon
- Mangifera indica L.Mangifera indicat0
- Treatment
- CA storagee0
- Outcome
- Total phenol contente0
- Direction
- decreasede0
- Comparator
- freshly harvested fruitse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Total phenol content and 2, 2-Diphenyl-2-picrylhydrazyl (DPPH) radical scavenging activity of fruits decreased during CA storage and after ripening when compared to freshly harvested fruits.”
t0“Mangifera indica L.”
Claim · model-written summary
DPPH radical scavenging activity declined during CA storage and ripening relative to fresh fruit.
- Taxon
- Mangifera indica L.Mangifera indicat0
- Treatment
- CA storagee0
- Outcome
- 2, 2-Diphenyl-2-picrylhydrazyl (DPPH) radical scavenging activitye0
- Direction
- decreasede0
- Comparator
- freshly harvested fruitse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Total phenol content and 2, 2-Diphenyl-2-picrylhydrazyl (DPPH) radical scavenging activity of fruits decreased during CA storage and after ripening when compared to freshly harvested fruits.”
t0“Mangifera indica L.”
Claim · model-written summary
Phenol and radical scavenging activity declined significantly between unripe and ripened fruits.
- Taxon
- Mangifera indica L.Mangifera indicat0
- Treatment
- ripened fruitse0
- Outcome
- Decreasee0
- Direction
- Decreasee0
- Comparator
- unripee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Decrease was also significant between unripe and ripened fruits of different treatments.”
t0“Mangifera indica L.”
Claim · model-written summary
Ripened fruit pretreated with prochloraz or hot water and stored in CA had highest carotenoids content relative to air storage.
- Taxon
- Mangifera indica L.Mangifera indicat0
- Treatment
- Prochloraz or HW-treated fruits stored in CAe0
- Outcome
- carotenoids contente0
- Direction
- higheste0
- Comparator
- fruits stored in aire0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Prochloraz or HW-treated fruits stored in CA had highest carotenoids content compared to fruits stored in air after they were ripened at ambient conditions.”
t0“Mangifera indica L.”
Claim · model-written summary
CA storage with prochloraz or hot water pretreatment retained antioxidant levels.
- Taxon
- Mangifera indica L.Mangifera indicat0
- Treatment
- CA storagee0
- Outcome
- antioxidant levelse0
- Direction
- retaininge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“CA storage helped in retaining the antioxidant levels of Alphonso mangoes when they were pretreated with prochloraz or hot water.”
t0“Mangifera indica L.”
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