Abstract
Purpose: Mango shelf life has significance for both market availability and long-distance transportation. So, effective treatments of postharvest are vital for maintaining the climacteric character of mangoes by limiting postharvest losses during storage. Research method: A total of 96 physiologically mature mango fruits (8 fruits in each replication) were taken. This study assessed the effect of Aloe vera gel (1:1 AVG), chitosan (1.5% CTS), and combinations (CTS+AVG) on mango shelf life and postharvest features following 16 days at ambient storage (28±3°C and 80±5% RH). The experiment was conducted using completely randomized design. Findings: The results demonstrated that either CTS or AVG had a positive effect compared to control on different parameters but their combinations was considerably superior treatment equated to the control in terms of weight loss (13.09, 20.03%), reduced respiration rate (11.22, 19.89 mlCO2/kg/h), ethylene production (0.50, 0.56 µl/kg/h), total soluble solids (17.33, 22.23 oBrix), pH (5.86, 7.40) and decay percentage (13.14, 27.64%). Fruit quality metrics were all higher when CTS+AVG was used than the control, such as titratable acidity (0.66, 0.61), fruit firmness (28.61, 21.95 N/m2), ascorbic acid (14.52, 10.84 mg/100g), total phenolic content (112.99, 80.02 mg GAE/100g) and antioxidant activity (274.86, 196.65 µmol/g). Coated fruits exhibited a considerable reduction in polyphenol oxidase (PPO) (5.49, 7.87 U/mg FW), while higher levels of catalase (CAT) (0.54, 0.45 U/mg FW) and peroxidase (POD) (0.75, 0.70 U/mg FW) enzyme activity. During storage, coated fruit peels exhibited notably less discoloration than control fruits. Research limitations: In future, mechanism of CTS and AVG for prolonging shelf life of mangoes will be revealed using molecular approach. Originality/Value: These results suggest that chitosan (CTS) and Aloe vera gel (AVG) coatings combined can preserve ‘Mishribhog’ mango shelf life and postharvest quality for 16 days during ambient storage.
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Claims 16
Claim · model-written summary
CTS+AVG combined coating was superior to control in weight loss of mango fruit during 16 days of ambient storage (values 13.09 and 20.03%).
- Taxon
- mango
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Mangifera indicae2 - Treatment
- CTS+AVGe4
- Outcome
- weight losse1
- Direction
- superiore1
- Value
- 13.09, 20.03%e1
- Comparator
- controle5
- Setting
- ambient storagee3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_from_India.jpg?width=500)
Verbatim
e1“considerably superior treatment equated to the control in terms of weight loss (13.09, 20.03%)”
e2“96 physiologically mature mango fruits”
e3“following 16 days at ambient storage (28±3°C and 80±5% RH)”
e4“combinations (CTS+AVG)”
e5“compared to control on different parameters”
Claim · model-written summary
CTS+AVG combined coating reduced respiration rate of mango fruit relative to control (values 11.22 and 19.89 mlCO2/kg/h).
- Taxon
- mangoMangifera indicae2
- Treatment
- CTS+AVGe4
- Outcome
- respiration ratee1
- Direction
- reducede1
- Value
- 11.22, 19.89 mlCO2/kg/he1
- Comparator
- controle5
- Setting
- ambient storagee3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“reduced respiration rate (11.22, 19.89 mlCO2/kg/h)”
e2“96 physiologically mature mango fruits”
e3“following 16 days at ambient storage (28±3°C and 80±5% RH)”
e4“combinations (CTS+AVG)”
e5“compared to control on different parameters”
Claim · model-written summary
CTS+AVG combined coating lowered ethylene production of mango fruit relative to control (values 0.50 and 0.56 µl/kg/h).
- Taxon
- mangoMangifera indicae2
- Treatment
- CTS+AVGe4
- Outcome
- ethylene productione1
- Direction
- decreaseinferrede1
- Value
- 0.50, 0.56 µl/kg/he1
- Comparator
- controle5
- Setting
- ambient storagee3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“ethylene production (0.50, 0.56 µl/kg/h)”
e2“96 physiologically mature mango fruits”
e3“following 16 days at ambient storage (28±3°C and 80±5% RH)”
e4“combinations (CTS+AVG)”
e5“compared to control on different parameters”
Claim · model-written summary
CTS+AVG combined coating lowered total soluble solids of mango fruit relative to control (values 17.33 and 22.23 oBrix).
- Taxon
- mangoMangifera indicae2
- Treatment
- CTS+AVGe4
- Outcome
- total soluble solidse1
- Direction
- decreaseinferrede1
- Value
- 17.33, 22.23 oBrixe1
- Comparator
- controle5
- Setting
- ambient storagee3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“total soluble solids (17.33, 22.23 oBrix)”
e2“96 physiologically mature mango fruits”
e3“following 16 days at ambient storage (28±3°C and 80±5% RH)”
e4“combinations (CTS+AVG)”
e5“compared to control on different parameters”
Claim · model-written summary
CTS+AVG combined coating lowered pH of mango fruit relative to control (values 5.86 and 7.40).
- Taxon
- mangoMangifera indicae2
- Treatment
- CTS+AVGe4
- Outcome
- pHe1
- Direction
- decreaseinferrede1
- Value
- 5.86, 7.40e1
- Comparator
- controle5
- Setting
- ambient storagee3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“pH (5.86, 7.40)”
e2“96 physiologically mature mango fruits”
e3“following 16 days at ambient storage (28±3°C and 80±5% RH)”
e4“combinations (CTS+AVG)”
e5“compared to control on different parameters”
Claim · model-written summary
CTS+AVG combined coating lowered decay percentage of mango fruit relative to control (values 13.14 and 27.64%).
- Taxon
- mangoMangifera indicae2
- Treatment
- CTS+AVGe4
- Outcome
- decay percentagee1
- Direction
- decreaseinferrede1
- Value
- 13.14, 27.64%e1
- Comparator
- controle5
- Setting
- ambient storagee3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“decay percentage (13.14, 27.64%)”
e2“96 physiologically mature mango fruits”
e3“following 16 days at ambient storage (28±3°C and 80±5% RH)”
e4“combinations (CTS+AVG)”
e5“compared to control on different parameters”
Claim · model-written summary
Fruit titratable acidity of mango was higher with CTS+AVG than with control (values 0.66 and 0.61).
- Taxon
- mangoMangifera indicae2
- Treatment
- CTS+AVGe1
- Outcome
- titratable aciditye1
- Direction
- highere1
- Value
- 0.66, 0.61e1
- Comparator
- controle1
- Setting
- ambient storagee3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Fruit quality metrics were all higher when CTS+AVG was used than the control, such as titratable acidity (0.66, 0.61)”
e2“96 physiologically mature mango fruits”
e3“following 16 days at ambient storage (28±3°C and 80±5% RH)”
e5“compared to control on different parameters”
Claim · model-written summary
Fruit firmness of mango was higher with CTS+AVG than with control (values 28.61 and 21.95 N/m2).
- Taxon
- mangoMangifera indicae2
- Treatment
- CTS+AVGe4
- Outcome
- fruit firmnesse1
- Direction
- higherinferrede1
- Value
- 28.61, 21.95 N/m2e1
- Comparator
- controle5
- Setting
- ambient storagee3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“fruit firmness (28.61, 21.95 N/m2)”
e2“96 physiologically mature mango fruits”
e3“following 16 days at ambient storage (28±3°C and 80±5% RH)”
e4“combinations (CTS+AVG)”
e5“compared to control on different parameters”
Claim · model-written summary
Ascorbic acid of mango was higher with CTS+AVG than with control (values 14.52 and 10.84 mg/100g).
- Taxon
- mangoMangifera indicae2
- Treatment
- CTS+AVGe4
- Outcome
- ascorbic acide1
- Direction
- higherinferrede1
- Value
- 14.52, 10.84 mg/100ge1
- Comparator
- controle5
- Setting
- ambient storagee3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“ascorbic acid (14.52, 10.84 mg/100g)”
e2“96 physiologically mature mango fruits”
e3“following 16 days at ambient storage (28±3°C and 80±5% RH)”
e4“combinations (CTS+AVG)”
e5“compared to control on different parameters”
Claim · model-written summary
Total phenolic content of mango was higher with CTS+AVG than with control (values 112.99 and 80.02 mg GAE/100g).
- Taxon
- mangoMangifera indicae2
- Treatment
- CTS+AVGe4
- Outcome
- total phenolic contente1
- Direction
- higherinferrede1
- Value
- 112.99, 80.02 mg GAE/100ge1
- Comparator
- controle5
- Setting
- ambient storagee3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“total phenolic content (112.99, 80.02 mg GAE/100g)”
e2“96 physiologically mature mango fruits”
e3“following 16 days at ambient storage (28±3°C and 80±5% RH)”
e4“combinations (CTS+AVG)”
e5“compared to control on different parameters”
Claim · model-written summary
Antioxidant activity of mango was higher with CTS+AVG than with control (values 274.86 and 196.65 µmol/g).
- Taxon
- mangoMangifera indicae2
- Treatment
- CTS+AVGe4
- Outcome
- antioxidant activitye1
- Direction
- higherinferrede1
- Value
- 274.86, 196.65 µmol/ge1
- Comparator
- controle5
- Setting
- ambient storagee3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“antioxidant activity (274.86, 196.65 µmol/g)”
e2“96 physiologically mature mango fruits”
e3“following 16 days at ambient storage (28±3°C and 80±5% RH)”
e4“combinations (CTS+AVG)”
e5“compared to control on different parameters”
Claim · model-written summary
Coated mango fruit showed a considerable reduction in polyphenol oxidase activity relative to control (values 5.49 and 7.87 U/mg FW).
- Taxon
- mangoMangifera indicae2
- Treatment
- Coated fruitse1
- Outcome
- polyphenol oxidase (PPO)e1
- Direction
- reductione1
- Value
- 5.49, 7.87 U/mg FWe1
- Comparator
- controle5
- Setting
- ambient storagee3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Coated fruits exhibited a considerable reduction in polyphenol oxidase (PPO) (5.49, 7.87 U/mg FW)”
e2“96 physiologically mature mango fruits”
e3“following 16 days at ambient storage (28±3°C and 80±5% RH)”
e5“compared to control on different parameters”
Claim · model-written summary
Coated mango fruit showed higher catalase activity than control (values 0.54 and 0.45 U/mg FW).
- Taxon
- mangoMangifera indicae2
- Treatment
- Coated fruitse1
- Outcome
- catalase (CAT)e7
- Direction
- highere7
- Value
- 0.54, 0.45 U/mg FWe7
- Comparator
- controle5
- Setting
- ambient storagee3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Coated fruits exhibited a considerable reduction in polyphenol oxidase (PPO) (5.49, 7.87 U/mg FW)”
e7“higher levels of catalase (CAT) (0.54, 0.45 U/mg FW) and peroxidase (POD) (0.75, 0.70 U/mg FW) enzyme activity”
e2“96 physiologically mature mango fruits”
e3“following 16 days at ambient storage (28±3°C and 80±5% RH)”
e5“compared to control on different parameters”
Claim · model-written summary
Coated mango fruit showed higher peroxidase activity than control (values 0.75 and 0.70 U/mg FW).
- Taxon
- mangoMangifera indicae2
- Treatment
- Coated fruitse1
- Outcome
- peroxidase (POD)e7
- Direction
- highere7
- Value
- 0.75, 0.70 U/mg FWe7
- Comparator
- controle5
- Setting
- ambient storagee3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Coated fruits exhibited a considerable reduction in polyphenol oxidase (PPO) (5.49, 7.87 U/mg FW)”
e7“higher levels of catalase (CAT) (0.54, 0.45 U/mg FW) and peroxidase (POD) (0.75, 0.70 U/mg FW) enzyme activity”
e2“96 physiologically mature mango fruits”
e3“following 16 days at ambient storage (28±3°C and 80±5% RH)”
e5“compared to control on different parameters”
Claim · model-written summary
Coated mango fruit peels showed notably less discoloration than control fruit during storage.
- Taxon
- mangoMangifera indicae2
- Organ / stage
- peelse6
- Treatment
- coated fruit peelse6
- Outcome
- discoloratione6
- Direction
- lesse6
- Comparator
- control fruitse6
- Setting
- ambient storagee3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e6“coated fruit peels exhibited notably less discoloration than control fruits”
e2“96 physiologically mature mango fruits”
e3“following 16 days at ambient storage (28±3°C and 80±5% RH)”
Claim · model-written summary
Either CTS or AVG alone had a positive effect on several mango parameters compared to control.
- Taxon
- mangoMangifera indicae2
- Treatment
- CTS or AVGe1
- Outcome
- different parameterse1
- Direction
- positivee1
- Comparator
- controle1
- Setting
- ambient storagee3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“either CTS or AVG had a positive effect compared to control on different parameters”
e2“96 physiologically mature mango fruits”
e3“following 16 days at ambient storage (28±3°C and 80±5% RH)”
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See all 6 papers →8 of 13 groups shown: named compounds and organisms first, then groups whose results differ (checked claim by claim), then those with positive and negative results, then the smaller groups.
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.