Abstract
This study was conducted to evaluate different pre-treatments and dehydration methods on the quality of okra. No significant differences were found among pretreatments and dehydration methods for the chemical composition of dehydrated okra samples. Dipping in 0.1 % sodium metabisulphite solution at room temperature and immersion in 0.1 % sodium metabisulphite solution at 92-95 °C improved the retention of ascorbic acid of okra samples after dehydration by either conventional or microwave oven. Also, the reduced dehydration time required for microwave dehydration produced far less destruction of ascorbic acid. The highest rehydration ratio was found in unwashed okra sample and dehydrated by microwave after immersion in 0.1 % sodium metabisulphite solution at 92-95 °C. Dehydrated okra samples by sun drying and conventional oven had lower retention percentages of total chlorophyll and carotenoids than those of dehydrated okra samples by microwave oven. The general appearance and colour scores of dehydrated okra samples by microwave were significantly different from those of conventionally dehydrated or sun dried okra samples.
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Claims 8
Claim · model-written summary
Chemical composition of dehydrated okra did not differ significantly among pretreatments and dehydration methods.
- Taxon
- okra
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Abelmoschus esculentuse0 - Treatment
- pretreatments and dehydration methodse0
- Outcome
- chemical composition of dehydrated okra samplese0
- Direction
- No significant differencese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“No significant differences were found among pretreatments and dehydration methods for the chemical composition of dehydrated okra samples.”
Claim · model-written summary
Dipping in room-temperature sodium metabisulphite improved ascorbic acid retention.
- Taxon
- okraAbelmoschus esculentuse0
- Treatment
- Dipping in 0.1 % sodium metabisulphite solution at room temperaturee0
- Outcome
- retention of ascorbic acide0
- Direction
- improvede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Dipping in 0.1 % sodium metabisulphite solution at room temperature and immersion in 0.1 % sodium metabisulphite solution at 92-95 °C improved the retention of ascorbic acid of okra samples after dehydration by either conventional or microwave oven.”
Claim · model-written summary
Immersion in heated sodium metabisulphite improved ascorbic acid retention.
- Taxon
- okraAbelmoschus esculentuse0
- Treatment
- immersion in 0.1 % sodium metabisulphite solution at 92-95 °Ce0
- Outcome
- retention of ascorbic acide0
- Direction
- improvede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Dipping in 0.1 % sodium metabisulphite solution at room temperature and immersion in 0.1 % sodium metabisulphite solution at 92-95 °C improved the retention of ascorbic acid of okra samples after dehydration by either conventional or microwave oven.”
Claim · model-written summary
Microwave dehydration took less time and caused much less ascorbic acid destruction.
- Taxon
- okraAbelmoschus esculentust0
- Treatment
- microwave dehydratione0
- Outcome
- destruction of ascorbic acide0
- Direction
- far lesse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the reduced dehydration time required for microwave dehydration produced far less destruction of ascorbic acid”
t0“okra”
Claim · model-written summary
The highest rehydration ratio occurred for unwashed okra microwaved after hot sodium metabisulphite immersion.
- Taxon
- okraAbelmoschus esculentuse0
- Treatment
- dehydrated by microwave after immersion in 0.1 % sodium metabisulphite solution at 92-95 °Ce0
- Outcome
- rehydration ratioe0
- Direction
- higheste0
- Qualifier
- unwashede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The highest rehydration ratio was found in unwashed okra sample and dehydrated by microwave after immersion in 0.1 % sodium metabisulphite solution at 92-95 °C.”
Claim · model-written summary
Sun drying gave lower chlorophyll and carotenoid retention than microwave drying.
- Taxon
- okraAbelmoschus esculentuse0
- Treatment
- sun dryinge0
- Outcome
- retention percentages of total chlorophyll and carotenoidse0
- Direction
- lowere0
- Comparator
- microwave ovene0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Dehydrated okra samples by sun drying and conventional oven had lower retention percentages of total chlorophyll and carotenoids than those of dehydrated okra samples by microwave oven.”
Claim · model-written summary
Conventional oven drying gave lower chlorophyll and carotenoid retention than microwave drying.
- Taxon
- okraAbelmoschus esculentuse0
- Treatment
- conventional ovene0
- Outcome
- retention percentages of total chlorophyll and carotenoidse0
- Direction
- lowere0
- Comparator
- microwave ovene0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Dehydrated okra samples by sun drying and conventional oven had lower retention percentages of total chlorophyll and carotenoids than those of dehydrated okra samples by microwave oven.”
Claim · model-written summary
Microwave dehydration gave significantly different appearance and colour scores from conventional or sun drying.
- Taxon
- okraAbelmoschus esculentuse0
- Treatment
- microwavee0
- Outcome
- general appearance and colour scorese0
- Comparator
- conventionally dehydrated or sun dried okra samplese0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The general appearance and colour scores of dehydrated okra samples by microwave were significantly different from those of conventionally dehydrated or sun dried okra samples.”
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