Abstract
An attempt was made to develop low cost porous evaporative cooling storage structures for extending the shelf life of citrus fruits and vegetables at the Sylhet Agricultural University campus, Bangladesh. Clay soil, bamboo and straw were used as a wall material. Sand, clay, zeolite, rice husk and charcoal etc. were used as a pad material. But the mixture of sand and clay was found as the most efficient pad materials for lowering temperature. Porous evaporative cooling storage structure (PECSS) was developed to reduce the problems of post-harvest losses at farmer level. It is eco-friendly and no energy requirements for storage of vegetables and fruits. PECSS improves the quality and productivity of vegetables and citrus fruits by reducing temperature, prolonging shelf life and reducing post-harvest losses respectively. The study revealed that shelf life of egg-plant (Solanum melongena) was 11 days in PECSS condition and it was 6 days in ambient condition. Therefore, weight loss was 4.07% for PECSS and 11.84% in room condition respectively. Storage life of Ladies finger (Abelmoschus esculentus) was 6 days more in PECSS condition than room condition. Weight loss was 6.62% in PECSS condition and 17.47% loss in ambient condition. In case of Malabar Spinach (Basella alba) it was 6 days for PECSS condition and 3 days for room condition and weight loss was found to be 9.48% and 16.17% respectively. The shelf life of stem amaranth (Amaranthus cruentus) was 5 days in PECSS condition and 2 days in ambient condition. Weight loss was found 7.05% at PECSS condition and 28.62% as in-room condition. By chemical analysis for fruits lemon (Citrus limon) and orange (Citrus sinensis) found that pH and TSS were increased both ambient and PECSS condition but in PECSS condition this rate was less than ambient condition. Vitamin C, percentage juice content, citric acid values all were decrease at both condition but in PECSS condition its rate was the less ambient condition. There is scope for intensive study to improve the firmness of the porous evaporative cooling storage structure (PECSS) to reduce the storage loss of vegetables and citrus fruits for different region and its suitability for large scale design.
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Claims 13
Claim · model-written summary
Sand and clay was the most efficient pad mixture for lowering temperature.
- Material
- mixture of sand and claye0
- Outcome
- lowering temperaturee0
- Direction
- most efficiente0
- Comparator
- most efficient pad materialse0
Not reportedTaxon
Verbatim
e0“the mixture of sand and clay was found as the most efficient pad materials for lowering temperature”
Claim · model-written summary
PECSS extended eggplant shelf life to 11 days versus 6 days ambient.
- Taxon
- egg-plant (Solanum melongena)
Solanum melongenae0 - Treatment
- PECSS conditione0
- Outcome
- shelf lifee0
- Direction
- increaseinferrede0
- Value
- 11 dayse0
- Qualifier
- 6 dayse0
- Comparator
- ambient conditione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“shelf life of egg-plant (Solanum melongena) was 11 days in PECSS condition and it was 6 days in ambient condition”
Claim · model-written summary
PECSS reduced eggplant weight loss to 4.07% versus 11.84% in room conditions.
- Taxon
- egg-plant (Solanum melongena)Solanum melongenat0
- Treatment
- PECSSe0
- Outcome
- weight losse0
- Direction
- decreaseinferrede0
- Value
- 4.07%e0
- Qualifier
- 11.84%e0
- Comparator
- room conditione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“weight loss was 4.07% for PECSS and 11.84% in room condition”
t0“egg-plant (Solanum melongena)”
Claim · model-written summary
Ladies finger stored six days longer in PECSS than room conditions.
- Taxon
- Ladies finger (Abelmoschus esculentus)
.jpg?width=60)
Abelmoschus esculentuse0 - Treatment
- PECSS conditione0
- Outcome
- Storage lifee0
- Direction
- moree0
- Value
- 6 dayse0
- Comparator
- room conditione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“Storage life of Ladies finger (Abelmoschus esculentus) was 6 days more in PECSS condition than room condition”
Claim · model-written summary
PECSS reduced ladies finger weight loss to 6.62% versus 17.47% ambient.
- Taxon
- Ladies finger (Abelmoschus esculentus)Abelmoschus esculentust0
- Treatment
- PECSS conditione0
- Outcome
- Weight losse0
- Direction
- decreaseinferrede0
- Value
- 6.62%e0
- Qualifier
- 17.47%e0
- Comparator
- ambient conditione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Weight loss was 6.62% in PECSS condition and 17.47% loss in ambient condition”
t0“Ladies finger (Abelmoschus esculentus)”
Claim · model-written summary
Malabar spinach stored six days in PECSS versus three days at room conditions.
- Taxon
- Malabar Spinach (Basella alba)
Basella albae0 - Treatment
- PECSS conditione0
- Outcome
- 6 days for PECSS conditione0
- Direction
- increaseinferrede0
- Value
- 6 dayse0
- Qualifier
- 3 dayse0
- Comparator
- room conditione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Malabar Spinach (Basella alba) it was 6 days for PECSS condition and 3 days for room condition”
Claim · model-written summary
PECSS reduced Malabar spinach weight loss to 9.48% versus 16.17% at room conditions.
- Taxon
- Malabar Spinach (Basella alba)Basella albat0
- Treatment
- PECSS conditiont0
- Outcome
- weight losse0
- Direction
- decreaseinferrede0
- Value
- 9.48%e0
- Qualifier
- 16.17%e0
- Comparator
- room conditiont0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“weight loss was found to be 9.48% and 16.17% respectively”
t0“Malabar Spinach (Basella alba) it was 6 days for PECSS condition and 3 days for room condition”
Claim · model-written summary
Stem amaranth stored five days in PECSS versus two days ambient.
- Taxon
- stem amaranth (Amaranthus cruentus)
Amaranthus cruentuse0 - Treatment
- PECSS conditione0
- Outcome
- shelf lifee0
- Direction
- increaseinferrede0
- Value
- 5 dayse0
- Qualifier
- 2 dayse0
- Comparator
- ambient conditione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“shelf life of stem amaranth (Amaranthus cruentus) was 5 days in PECSS condition and 2 days in ambient condition”
Claim · model-written summary
PECSS reduced stem amaranth weight loss to 7.05% versus 28.62% in room conditions.
- Taxon
- stem amaranth (Amaranthus cruentus)Amaranthus cruentust0
- Treatment
- PECSS conditione0
- Outcome
- Weight losse0
- Direction
- decreaseinferrede0
- Value
- 7.05%e0
- Qualifier
- 28.62%e0
- Comparator
- in-room conditione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Weight loss was found 7.05% at PECSS condition and 28.62% as in-room condition”
t0“stem amaranth (Amaranthus cruentus)”
Claim · model-written summary
Lemon pH and TSS increased in both conditions, more slowly in PECSS.
- Taxon
- lemon (Citrus limon)
Citrus ×limone0 - Treatment
- PECSS conditione0
- Outcome
- pH and TSSe0
- Direction
- increasede0
- Qualifier
- this rate was less than ambient conditione0
- Comparator
- ambient conditione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“for fruits lemon (Citrus limon) and orange (Citrus sinensis) found that pH and TSS were increased both ambient and PECSS condition but in PECSS condition this rate was less than ambient condition”
Claim · model-written summary
Orange pH and TSS increased in both conditions, more slowly in PECSS.
- Taxon
- orange (Citrus sinensis)
Citrus sinensise0 - Treatment
- PECSS conditione0
- Outcome
- pH and TSSe0
- Direction
- increasede0
- Qualifier
- this rate was less than ambient conditione0
- Comparator
- ambient conditione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“for fruits lemon (Citrus limon) and orange (Citrus sinensis) found that pH and TSS were increased both ambient and PECSS condition but in PECSS condition this rate was less than ambient condition”
Claim · model-written summary
Lemon vitamin C, juice content and citric acid decreased in both conditions, less rapidly in PECSS.
- Taxon
- lemon (Citrus limon)Citrus ×limont0
- Treatment
- PECSS conditione0
- Outcome
- Vitamin C, percentage juice content, citric acid valuese0
- Direction
- decreasee0
- Comparator
- ambient conditione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Vitamin C, percentage juice content, citric acid values all were decrease at both condition but in PECSS condition its rate was the less ambient condition”
t0“lemon (Citrus limon)”
Claim · model-written summary
Orange vitamin C, juice content and citric acid decreased in both conditions, less rapidly in PECSS.
- Taxon
- orange (Citrus sinensis)Citrus sinensist0
- Treatment
- PECSS conditione0
- Outcome
- Vitamin C, percentage juice content, citric acid valuese0
- Direction
- decreasee0
- Comparator
- ambient conditione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Vitamin C, percentage juice content, citric acid values all were decrease at both condition but in PECSS condition its rate was the less ambient condition”
t0“orange (Citrus sinensis)”
The same questions in other papers
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processing · quality: postharvest · Solanum melongena (eggplant)Results agree
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processing · quality: postharvest · Abelmoschus esculentus (okra)Results agree
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See all 9 papers →storage · quality: postharvest · Solanum melongena (eggplant)Results agree
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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.