Abstract
Objective: This was to evaluate the efficacy of MAP in maintaining the postharvest quality of mango fruits. Methodology and results: The fruits were harvested from a commercial orchard, (Karurumo Orchards) located in Embu county of Eastern province. The fruits were harvested at advanced maturity during the pre-climacteric rise phase when most of the flesh had turned yellow. They were selected for uniformity in colour, size and shape and randomly separated into three equal batches of 50 fruits each. The first batch was packaged in Activebag®, second batch in ordinary (commercially used) polythene bags while the third batch was left unpackaged as control. Five fruits from each treatment were sampled every three days during the shelf life period and evaluated for various physiological and physicochemical parameters associated with mango ripening and quality including ethylene evolution, respiration rate, cumulative weight loss, firmness, hue angle, total soluble solids, total titratable acid, soluble sugars, ascorbic acid and beta-carotene. MAP whether in Activebag® or ordinary polythene was effective in maintaining the quality of mango fruits compared to the unpackaged controls. Slow ripening changes of Activebag® fruits was accompanied by a delayed respiratory climacteric and generally lower respiration rates compared to ordinary bag and unpackaged fruits. At the end of the observation period, Activebag® fruits were 16% firmer compared to unpackaged fruits. The initial average weight was 635g and modified atmosphere packaging had a remarkable effect on cumulative weight loss with fruits packaged in the ordinary polythene bag and Activebag® fruits losing only 7.4% of the initial weight compared to 12% in the case of unpackaged fruits (control). Higher levels of total soluble solids (°brix) 5.5g/100g and total soluble sugars (6g/100g) observed at the beginning of storage (6 days after packaging) signalled advanced ripening of unpackaged fruits. However as the storage time progressed, the levels of each of the soluble sugars evaluated were higher in Activebag® fruits. Similarly, Activebag® fruits retained higher levels of titratable acidity (0.39%and ascorbic acid compared to ordinary bag fruits (0.36%). Conclusion: Packaging mangoes in Activebag® after harvest at ripe stage was effective in delaying most of the ripening related changes in mango fruits thereby maintaining the quality and extending their shelf life. Although ordinary polythene packaging maintained quality of the fruits better than unpackaged fruits, the positive effects were negated by high incidences of rotting.
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Claims 12
Claim · model-written summary
Modified atmosphere packaging was effective in maintaining the quality of mango fruits compared to unpackaged controls.
- Taxon
- mango
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Mangifera indicae0 - Treatment
- MAPe1
- Outcome
- quality of mango fruitse1
- Direction
- effective in maintaininge1
- Comparator
- unpackaged controlse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_from_India.jpg?width=500)
Verbatim
e0“This was to evaluate the efficacy of MAP in maintaining the postharvest quality of mango fruits”
e1“MAP whether in Activebag® or ordinary polythene was effective in maintaining the quality of mango fruits compared to the unpackaged controls”
Claim · model-written summary
Activebag fruits showed a delayed respiratory climacteric compared to ordinary bag and unpackaged fruits.
- Taxon
- mangoMangifera indicae0
- Treatment
- Activebag®e2
- Outcome
- respiratory climacterice2
- Direction
- delayede2
- Comparator
- ordinary bag and unpackaged fruitse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This was to evaluate the efficacy of MAP in maintaining the postharvest quality of mango fruits”
e2“Slow ripening changes of Activebag® fruits was accompanied by a delayed respiratory climacteric and generally lower respiration rates compared to ordinary bag and unpackaged fruits”
Claim · model-written summary
Activebag fruits generally had lower respiration rates than ordinary bag and unpackaged fruits.
- Taxon
- mangoMangifera indicae0
- Treatment
- Activebag®e2
- Outcome
- respiration ratese2
- Direction
- lowere2
- Comparator
- ordinary bag and unpackaged fruitse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This was to evaluate the efficacy of MAP in maintaining the postharvest quality of mango fruits”
e2“Slow ripening changes of Activebag® fruits was accompanied by a delayed respiratory climacteric and generally lower respiration rates compared to ordinary bag and unpackaged fruits”
Claim · model-written summary
Activebag fruits were 16% firmer than unpackaged fruits at the end of the observation period.
- Taxon
- mangoMangifera indicae0
- Treatment
- Activebag®e3
- Outcome
- firmere3
- Direction
- firmere3
- Value
- 16%e3
- Comparator
- unpackaged fruitse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This was to evaluate the efficacy of MAP in maintaining the postharvest quality of mango fruits”
e3“At the end of the observation period, Activebag® fruits were 16% firmer compared to unpackaged fruits”
Claim · model-written summary
Modified atmosphere packaging lost only 7.4% cumulative weight, compared to 12% for unpackaged mango fruits.
- Taxon
- mangoMangifera indicae0
- Treatment
- modified atmosphere packaginge4
- Outcome
- cumulative weight losse4
- Direction
- lowerinferrede4
- Value
- 7.4%e4
- Qualifier
- 12%e4
- Comparator
- unpackaged fruitse4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This was to evaluate the efficacy of MAP in maintaining the postharvest quality of mango fruits”
e4“modified atmosphere packaging had a remarkable effect on cumulative weight loss with fruits packaged in the ordinary polythene bag and Activebag® fruits losing only 7.4% of the initial weight compared to 12% in the case of unpackaged fruits”
Claim · model-written summary
Unpackaged mango fruits had higher total soluble solids (5.5 g/100 g) at the beginning of storage, signalling advanced ripening.
- Taxon
- mangoMangifera indicae0
- Outcome
- total soluble solids (°brix)e5
- Value
- 5.5g/100ge5
- Qualifier
- at the beginning of storagee5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This was to evaluate the efficacy of MAP in maintaining the postharvest quality of mango fruits”
e5“Higher levels of total soluble solids (°brix) 5.5g/100g and total soluble sugars (6g/100g) observed at the beginning of storage (6 days after packaging) signalled advanced ripening of unpackaged fruits”
Claim · model-written summary
Soluble sugars were higher in Activebag mango fruits as storage progressed.
- Taxon
- mangoMangifera indicae0
- Treatment
- Activebag®e6
- Outcome
- soluble sugarse6
- Direction
- highere6
- Qualifier
- as the storage time progressede6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This was to evaluate the efficacy of MAP in maintaining the postharvest quality of mango fruits”
e6“as the storage time progressed, the levels of each of the soluble sugars evaluated were higher in Activebag® fruits”
Claim · model-written summary
Activebag fruits retained higher titratable acidity (0.39%) than ordinary bag fruits (0.36%).
- Taxon
- mangoMangifera indicae0
- Treatment
- Activebag®e7
- Outcome
- titratable aciditye7
- Direction
- highere7
- Value
- 0.39%e7
- Qualifier
- 0.36%e7
- Comparator
- ordinary bag fruitse7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This was to evaluate the efficacy of MAP in maintaining the postharvest quality of mango fruits”
e7“Activebag® fruits retained higher levels of titratable acidity (0.39%and ascorbic acid compared to ordinary bag fruits (0.36%”
Claim · model-written summary
Activebag fruits retained higher ascorbic acid than ordinary bag fruits.
- Taxon
- mangoMangifera indicae0
- Treatment
- Activebag®e7
- Outcome
- ascorbic acide7
- Direction
- highere7
- Comparator
- ordinary bag fruitse7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This was to evaluate the efficacy of MAP in maintaining the postharvest quality of mango fruits”
e7“Activebag® fruits retained higher levels of titratable acidity (0.39%and ascorbic acid compared to ordinary bag fruits (0.36%”
Claim · model-written summary
Ordinary polythene packaging maintained mango fruit quality better than unpackaged fruits.
- Taxon
- mangoMangifera indicae0
- Treatment
- ordinary polythene packaginge1
- Outcome
- quality of the fruitse1
- Direction
- bettere1
- Comparator
- unpackaged fruitse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This was to evaluate the efficacy of MAP in maintaining the postharvest quality of mango fruits”
e1“Although ordinary polythene packaging maintained quality of the fruits better than unpackaged fruits”
Claim · model-written summary
Ordinary polythene packaging led to high incidences of rotting in mango fruits.
- Taxon
- mangoMangifera indicae0
- Treatment
- ordinary polythene packaginge1
- Outcome
- incidences of rottinge2
- Direction
- increaseinferrede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This was to evaluate the efficacy of MAP in maintaining the postharvest quality of mango fruits”
e1“Although ordinary polythene packaging maintained quality of the fruits better than unpackaged fruits”
e2“the positive effects were negated by high incidences of rotting”
Claim · model-written summary
Packaging mangoes in Activebag after harvest at the ripe stage is recommended for delaying most ripening-related changes.
- Taxon
- mangoMangifera indicae0
- Treatment
- Packaging mangoes in Activebag®e1
- Outcome
- delaying most of the ripening related changese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This was to evaluate the efficacy of MAP in maintaining the postharvest quality of mango fruits”
e1“Packaging mangoes in Activebag® after harvest at ripe stage was effective in delaying most of the ripening related changes”
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