Abstract
Mango can develop symptoms of chilling injury (CI) during storage at low temperatures. The application of a hot water treatment (HWT) prior to cold storage can prevent this disorder; however, prolonged exposure to heat may cause accelerated softening of the fruit. Calcium salts allow the formation of pectates delaying softening and in combination with HWT can reduce the susceptibility to CI. This study evaluated the effect of the quarantine HWT (46.1°C, 75-90 min), calcium lactate (CaLac, 0.05%), and their combination (HWT-CaLac) on the activity of cell wall and antioxidant system enzymes in "Keitt" mango stored for 20 days (5°C) and during ripening (21°C). HWT and HWT-CaLac reduced CI sensitivity while the combination was more effective to reduce cell wall enzymatic activity and to increase the activity of the antioxidant system enzymes in mango, this demonstrated the usefulness of a HWT-CaLac combination to extend mango storage life by inducing CI tolerance. PRACTICAL APPLICATIONS: Simultaneous application of treatments in diverse crops is significant for prevention of rapid deterioration. In this study, the application of calcium lactate in an established quarantine hot water treatment for mango fruit fly reduced chilling injury presence and stimulated the antioxidant defense mechanism. In this sense, producers and packers can take advantage of this procedure to prolong the storage period of the fruit preserving its postharvest quality and minimizing the risk of chilling injury presence.
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Claims 5
Claim · model-written summary
Hot water treatment (HWT) reduced chilling injury sensitivity in Keitt mango.
- Taxon
- mango
_from_India.jpg?width=60)
Mangifera indicae0 - Treatment
- HWT (46.1°C, 75-90 min)e1
- Outcome
- CI sensitivitye0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_from_India.jpg?width=500)
Verbatim
e0“HWT and HWT-CaLac reduced CI sensitivity while the combination was more effective to reduce cell wall enzymatic activity and to increase the activity of the antioxidant system enzymes in mango”
e1“the quarantine HWT (46.1°C, 75-90 min), calcium lactate (CaLac, 0.05%), and their combination (HWT-CaLac)”
Claim · model-written summary
The HWT-CaLac combination reduced chilling injury sensitivity in Keitt mango.
- Taxon
- mangoMangifera indicae0
- Treatment
- HWT-CaLace1
- Outcome
- CI sensitivitye0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“HWT and HWT-CaLac reduced CI sensitivity while the combination was more effective to reduce cell wall enzymatic activity and to increase the activity of the antioxidant system enzymes in mango”
e1“the quarantine HWT (46.1°C, 75-90 min), calcium lactate (CaLac, 0.05%), and their combination (HWT-CaLac)”
Claim · model-written summary
The HWT-CaLac combination was more effective than HWT alone in reducing cell wall enzymatic activity in mango.
- Taxon
- mangoMangifera indicae0
- Treatment
- HWT-CaLace0
- Outcome
- cell wall enzymatic activitye0
- Direction
- reducee0
- Comparator
- HWTe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“HWT and HWT-CaLac reduced CI sensitivity while the combination was more effective to reduce cell wall enzymatic activity and to increase the activity of the antioxidant system enzymes in mango”
Claim · model-written summary
The HWT-CaLac combination increased the activity of antioxidant system enzymes in mango compared with HWT.
- Taxon
- mangoMangifera indicae0
- Treatment
- HWT-CaLace0
- Outcome
- the activity of the antioxidant system enzymese0
- Direction
- increasee0
- Comparator
- HWTe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“HWT and HWT-CaLac reduced CI sensitivity while the combination was more effective to reduce cell wall enzymatic activity and to increase the activity of the antioxidant system enzymes in mango”
Claim · model-written summary
The HWT-CaLac combination extends mango storage life by inducing chilling injury tolerance (authors conclude).
- Taxon
- mangoMangifera indicae2
- Treatment
- HWT-CaLac combinatione2
- Outcome
- mango storage lifee2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“this demonstrated the usefulness of a HWT-CaLac combination to extend mango storage life by inducing CI tolerance”
The same questions in other papers
heat · crop injury · Mangifera indica (mango)Results differ
11 papers in the same direction as this paper · 3 in the opposite direction
- positive
- positive
- no effect
11 papers more in this group
See all 15 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.