Abstract
In an effort to develop an inexpensive alternative to vapor-heat insect disinfestation of `Kensington' mango ( Mangifera indica Linn.), the effect of postharvest hot water treatments (HWT) on fruit quality was determined. Fruit were given 46C HWT for 30 minutes at a fruit core temperature of 45C either 24 hours after harvest or after various conditioning treatments of 4 to 24 hours at 39 ± 1C in air. Fruit were compared to nontreated fruit after a subsequent 7 days at 22C. The HWT increased fruit softening and reduced chlorophyll fluorescence and disease incidence. The longer conditioning times produced softer fruit. Conditioning reduced damage to the fruit caused by HWT. Preconditioning for ≥8 hours resulted in <1% of fruit being damaged as shown by cavities, skin scald, and starch layer formation. The quantitatively measured higher mesocarp starch content paralleled the visible starch layer injury. Skin yellowing increased in response to HWTs that were not damaging to the fruit. Fruit ripening changes were unequally affected by HWT and by conditioning before HWT; thus, the sequence and extent of these changes must be determined to establish a reliable and useful hot water disinfestation treatment.
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Claims 9
Claim · model-written summary
Hot-water treatment increased fruit softening.
- Taxon
- mango
_from_India.jpg?width=60)
Mangifera indicat0 - Organ / stage
- fruite0
- Treatment
- HWTe0
- Outcome
- fruit softeninge0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_from_India.jpg?width=500)
Verbatim
e0“The HWT increased fruit softening and reduced chlorophyll fluorescence and disease incidence.”
t0“Mango with Hot Air Alleviates Hot Water Disinfestation Injuries”
Claim · model-written summary
Hot-water treatment reduced chlorophyll fluorescence.
- Taxon
- mangoMangifera indicat0
- Treatment
- HWTe0
- Outcome
- chlorophyll fluorescencee0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The HWT increased fruit softening and reduced chlorophyll fluorescence and disease incidence.”
t0“Mango with Hot Air Alleviates Hot Water Disinfestation Injuries”
Claim · model-written summary
Hot-water treatment reduced disease incidence.
- Taxon
- mangoMangifera indicat0
- Treatment
- HWTe0
- Outcome
- disease incidencee0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The HWT increased fruit softening and reduced chlorophyll fluorescence and disease incidence.”
t0“Mango with Hot Air Alleviates Hot Water Disinfestation Injuries”
Claim · model-written summary
Longer conditioning produced softer fruit.
- Taxon
- mangoMangifera indicat0
- Treatment
- longer conditioning timese0
- Outcome
- softer fruite0
- Direction
- softere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The longer conditioning times produced softer fruit.”
t0“Mango with Hot Air Alleviates Hot Water Disinfestation Injuries”
Claim · model-written summary
Conditioning reduced hot-water injury.
- Taxon
- mangoMangifera indicat0
- Treatment
- Conditioninge0
- Outcome
- damage to the fruit caused by HWTe0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Conditioning reduced damage to the fruit caused by HWT.”
t0“Mango with Hot Air Alleviates Hot Water Disinfestation Injuries”
Claim · model-written summary
At least eight hours of preconditioning left under 1% of fruit with cavities, scald or starch layers.
- Taxon
- mangoMangifera indicat0
- Treatment
- Preconditioning for ≥8 hourse0
- Outcome
- fruit being damagede0
- Value
- <1%e0
- Qualifier
- cavities, skin scald, and starch layer formatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Preconditioning for ≥8 hours resulted in <1% of fruit being damaged as shown by cavities, skin scald, and starch layer formation.”
t0“Mango with Hot Air Alleviates Hot Water Disinfestation Injuries”
Claim · model-written summary
Higher mesocarp starch content paralleled visible starch-layer injury.
- Taxon
- mangoMangifera indicat0
- Organ / stage
- mesocarpe0
- Compound
- starch contente0
- Outcome
- visible starch layer injurye0
- Direction
- highere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The quantitatively measured higher mesocarp starch content paralleled the visible starch layer injury.”
t0“Mango with Hot Air Alleviates Hot Water Disinfestation Injuries”
Claim · model-written summary
Nondamaging hot-water treatments increased skin yellowing.
- Taxon
- mangoMangifera indicat0
- Treatment
- HWTs that were not damaging to the fruite0
- Outcome
- Skin yellowinge0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Skin yellowing increased in response to HWTs that were not damaging to the fruit.”
t0“Mango with Hot Air Alleviates Hot Water Disinfestation Injuries”
Claim · model-written summary
Hot-water treatment and prior conditioning affected ripening changes unequally.
- Taxon
- mangoMangifera indicat0
- Treatment
- HWT and by conditioning before HWTe0
- Outcome
- Fruit ripening changese0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Fruit ripening changes were unequally affected by HWT and by conditioning before HWT”
t0“Mango with Hot Air Alleviates Hot Water Disinfestation Injuries”
The same questions in other papers
heat · quality: postharvest · Mangifera indica (mango)Results differ
6 papers in the same direction as this paper · 33 in the opposite direction
- no effect
- positive
- positive
36 papers more in this group
See all 40 papers →heat · disease · Mangifera indica (mango)Positive and negative results
35 papers in the same direction as this paper · 2 in the opposite direction
- no effect
- negative
- positive
34 papers more in this group
See all 38 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.