Abstract
This study developed a novel chitosan-pectate (CS-PA) composite coating to enhance the postharvest preservation of ‘ Taimang’ mango. The CS-PA coating demonstrated synergistic effects, significantly outperforming individual CS or PA treatments. It more effectively reduced decay incidence (by 38% compared to CS alone) and weight loss, delayed the respiratory climacteric peak, and better maintained firmness and titratable acidity. Mechanistically, the composite coating synergistically enhanced antioxidant enzymes (SOD, APX) activities, reducing oxidative damage (H 2 O 2 and MDA). It also most effectively suppressed the activities and gene expression of cell wall-degrading enzymes (PG, PME), thereby preserving pectin integrity. Notably, the CS-PA coating uniquely and simultaneously activated key genes in both salicylic acid (MiPR1) and jasmonic acid (MiLOX) signaling pathways, indicating potentiated systemic resistance. The superior performance is attributed to a multi-tiered synergy involving a robust physical barrier, enhanced antioxidant capacity, preserved cell wall integrity, and induced broad-spectrum defense. This composite coating presents a promising, eco-friendly strategy for mango preservation. • A novel chitosan-pectate (CS-PA) composite coating was developed for mango. • CS-PA coating synergistically delayed softening and suppressed postharvest decay. • The composite uniquely activated both salicylic acid and jasmonic acid pathways. • Synergistic suppression of cell wall disassembly enzymes and genes was revealed. • CS-PA enhanced antioxidant system and reduced oxidative damage synergistically.
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Claims 11
Claim · model-written summary
The chitosan-pectate (CS-PA) composite coating showed synergistic effects on Taimang mango, significantly outperforming individual CS or PA treatments.
- Taxon
- mango
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Mangifera indicae0 - Material
- Taimange0
- Treatment
- CS-PA coatinge1
- Outcome
- synergistic effectse1
- Direction
- outperforminge1
- Comparator
- individual CS or PA treatmentse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_from_India.jpg?width=500)
Verbatim
e0“Taimang’ mango”
e1“The CS-PA coating demonstrated synergistic effects, significantly outperforming individual CS or PA treatments”
Claim · model-written summary
The CS-PA coating reduced decay incidence of Taimang mango by 38% compared with CS alone.
- Taxon
- mangoMangifera indicae0
- Material
- Taimange0
- Treatment
- CS-PA coatinge1
- Outcome
- decay incidencee2
- Direction
- reducede2
- Value
- 38%e2
- Comparator
- CS alonee2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Taimang’ mango”
e1“The CS-PA coating”
e2“reduced decay incidence (by 38% compared to CS alone)”
Claim · model-written summary
The CS-PA coating reduced weight loss of Taimang mango more effectively than the individual treatments.
- Taxon
- mangoMangifera indicae0
- Material
- Taimange0
- Treatment
- CS-PA coatinge1
- Outcome
- weight losse2
- Direction
- reducede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Taimang’ mango”
e1“The CS-PA coating”
e2“reduced decay incidence (by 38% compared to CS alone) and weight loss”
Claim · model-written summary
The CS-PA coating delayed the respiratory climacteric peak of Taimang mango.
- Taxon
- mangoMangifera indicae0
- Material
- Taimange0
- Treatment
- CS-PA coatinge1
- Outcome
- respiratory climacteric peake2
- Direction
- delayede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Taimang’ mango”
e1“The CS-PA coating”
e2“delayed the respiratory climacteric peak”
Claim · model-written summary
The CS-PA coating better maintained firmness and titratable acidity of Taimang mango.
- Taxon
- mangoMangifera indicae0
- Material
- Taimange0
- Treatment
- CS-PA coatinge1
- Outcome
- firmness and titratable aciditye2
- Direction
- maintainede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Taimang’ mango”
e1“The CS-PA coating”
e2“better maintained firmness and titratable acidity”
Claim · model-written summary
The composite coating synergistically enhanced the activities of the antioxidant enzymes SOD and APX in mango.
- Taxon
- mangoMangifera indicae0
- Material
- Taimange0
- Treatment
- composite coatinge2
- Outcome
- antioxidant enzymes (SOD, APX) activitiese2
- Direction
- enhancede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Taimang’ mango”
e2“the composite coating synergistically enhanced antioxidant enzymes (SOD, APX) activities”
Claim · model-written summary
The composite coating reduced oxidative damage (H2O2 and MDA) in mango.
- Taxon
- mangoMangifera indicae0
- Material
- Taimange0
- Treatment
- composite coatinge2
- Outcome
- oxidative damage (H 2 O 2 and MDA)e2
- Direction
- reducinge2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Taimang’ mango”
e2“the composite coating synergistically enhanced antioxidant enzymes (SOD, APX) activities, reducing oxidative damage (H 2 O 2 and MDA)”
Claim · model-written summary
The CS-PA coating most effectively suppressed the activities and gene expression of the cell wall-degrading enzymes PG and PME in mango.
- Taxon
- mangoMangifera indicae0
- Material
- Taimange0
- Treatment
- CS-PA coatinge1
- Gene
- PG, PMEe2
- Outcome
- activities and gene expression of cell wall-degrading enzymese2
- Direction
- suppressede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Taimang’ mango”
e1“The CS-PA coating”
e2“most effectively suppressed the activities and gene expression of cell wall-degrading enzymes (PG, PME)”
Claim · model-written summary
The CS-PA coating activated the salicylic acid signaling pathway gene MiPR1 in mango.
- Taxon
- mangoMangifera indicae0
- Material
- Taimange0
- Treatment
- CS-PA coatinge2
- Gene
- MiPR1e2
- Compound
- salicylic acide2
- Outcome
- key genese2
- Direction
- activatede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Taimang’ mango”
e2“the CS-PA coating uniquely and simultaneously activated key genes in both salicylic acid (MiPR1) and jasmonic acid (MiLOX) signaling pathways”
Claim · model-written summary
The CS-PA coating activated the jasmonic acid signaling pathway gene MiLOX in mango.
- Taxon
- mangoMangifera indicae0
- Material
- Taimange0
- Treatment
- CS-PA coatinge2
- Gene
- MiLOXe2
- Compound
- jasmonic acide2
- Outcome
- key genese2
- Direction
- activatede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Taimang’ mango”
e2“the CS-PA coating uniquely and simultaneously activated key genes in both salicylic acid (MiPR1) and jasmonic acid (MiLOX) signaling pathways”
Claim · model-written summary
The authors attribute the superior performance of the coating to a multi-tiered synergy of a physical barrier, enhanced antioxidant capacity, preserved cell wall integrity and induced defense.
- Taxon
- mangoMangifera indicae0
- Material
- Taimange0
- Outcome
- superior performancee2
- Qualifier
- multi-tiered synergy involving a robust physical barrier, enhanced antioxidant capacity, preserved cell wall integrity, and induced broad-spectrum defensee2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Taimang’ mango”
e2“The superior performance is attributed to a multi-tiered synergy involving a robust physical barrier, enhanced antioxidant capacity, preserved cell wall integrity, and induced broad-spectrum defense”
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