Abstract
This study determined the cyanogenic potential of the cassava peels and assess the effectiveness of sun drying, heap fermentation and wet fermentation (soaking) in reducing the cyanide potential of the peels. Fresh cassava peels from major fresh food markets in Kampala and cassava grown in various parts of Uganda from Namolonge Agricultural and Animal Research Institute were used. The fresh peels from the market were subjected to the different detoxification methods foe 5 d; the cyanide potential was determined by enzymatic assay. The mean potential of the cassava peels from the food markets Kampala was 856 mg cyanide equivalen/kg of dry matter. The potential of the peels of the 14 cultivars fell between 253 and 1081 mg cyanide eQuivalent/kg of dry matter. High cyanogenic potential cultivars dominate on the market and pose danger of poisoning to livestock fed on fresh cassava peels. Treatment of the peels by sun-drying, heap fermentation on soaking reduced the cyanide potential to below 100 mg cyanide equivalent/kg of dry matter at 48, 72 and 96 h respectively. Sun-dying caused an early sharp fall in the cyanide potential, but heap fermentation or soaking gave the lowest residual cyanide after 120 h. Cassava peels could be safely used as livestock feed if they are treated to reduce the cyanogenic potential.
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Claims 9
Claim · model-written summary
Cyanogenic potential of cassava peels from Kampala food markets averaged 856 mg cyanide equivalent/kg dry matter.
- Taxon
- cassava
Manihot esculentae0 - Outcome
- mean potentiale1
- Value
- 856 mg cyanide equivalen/kg of dry mattere1
- Setting
- food markets Kampalae1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This study determined the cyanogenic potential of the cassava peels”
e1“The mean potential of the cassava peels from the food markets Kampala was 856 mg cyanide equivalen/kg of dry matter”
Claim · model-written summary
Cyanogenic potential of peels of 14 cassava cultivars ranged from 253 to 1081 mg cyanide equivalent/kg dry matter.
- Taxon
- cassavaManihot esculentae0
- Material
- 14 cultivarse2
- Outcome
- potential of the peelse2
- Value
- 253 and 1081 mg cyanide eQuivalent/kg of dry mattere2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This study determined the cyanogenic potential of the cassava peels”
e2“The potential of the peels of the 14 cultivars fell between 253 and 1081 mg cyanide eQuivalent/kg of dry matter”
Claim · model-written summary
High cyanogenic cassava cultivars dominate the market and pose a poisoning danger to livestock fed fresh peels.
- Taxon
- cassavaManihot esculentae0
- Outcome
- High cyanogenic potential cultivarse3
- Qualifier
- pose danger of poisoning to livestock fed on fresh cassava peelse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This study determined the cyanogenic potential of the cassava peels”
e3“High cyanogenic potential cultivars dominate on the market and pose danger of poisoning to livestock fed on fresh cassava peels”
Claim · model-written summary
Sun-drying reduced cassava peel cyanide potential to below 100 mg cyanide equivalent/kg dry matter by 48 h.
- Taxon
- cassavaManihot esculentae0
- Treatment
- sun-dryinge4
- Outcome
- cyanide potentiale4
- Direction
- reducede4
- Value
- below 100 mg cyanide equivalent/kg of dry mattere4
- Qualifier
- at 48, 72 and 96 h respectivelye4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This study determined the cyanogenic potential of the cassava peels”
e4“Treatment of the peels by sun-drying, heap fermentation on soaking reduced the cyanide potential to below 100 mg cyanide equivalent/kg of dry matter at 48, 72 and 96 h respectively”
Claim · model-written summary
Heap fermentation reduced cassava peel cyanide potential to below 100 mg cyanide equivalent/kg dry matter by 72 h.
- Taxon
- cassavaManihot esculentae0
- Treatment
- heap fermentatione4
- Outcome
- cyanide potentiale4
- Direction
- reducede4
- Value
- below 100 mg cyanide equivalent/kg of dry mattere4
- Qualifier
- at 48, 72 and 96 h respectivelye4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This study determined the cyanogenic potential of the cassava peels”
e4“Treatment of the peels by sun-drying, heap fermentation on soaking reduced the cyanide potential to below 100 mg cyanide equivalent/kg of dry matter at 48, 72 and 96 h respectively”
Claim · model-written summary
Soaking reduced cassava peel cyanide potential to below 100 mg cyanide equivalent/kg dry matter by 96 h.
- Taxon
- cassavaManihot esculentae0
- Treatment
- soakinge4
- Outcome
- cyanide potentiale4
- Direction
- reducede4
- Value
- below 100 mg cyanide equivalent/kg of dry mattere4
- Qualifier
- at 48, 72 and 96 h respectivelye4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This study determined the cyanogenic potential of the cassava peels”
e4“Treatment of the peels by sun-drying, heap fermentation on soaking reduced the cyanide potential to below 100 mg cyanide equivalent/kg of dry matter at 48, 72 and 96 h respectively”
Claim · model-written summary
Sun-drying caused an early sharp fall in cassava peel cyanide potential.
- Taxon
- cassavaManihot esculentae0
- Treatment
- Sun-dyinge5
- Outcome
- cyanide potentiale5
- Direction
- early sharp falle5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This study determined the cyanogenic potential of the cassava peels”
e5“Sun-dying caused an early sharp fall in the cyanide potential”
Claim · model-written summary
Heap fermentation or soaking gave the lowest residual cyanide in cassava peels after 120 h.
- Taxon
- cassavaManihot esculentae0
- Treatment
- heap fermentation or soakinge6
- Outcome
- residual cyanidee6
- Direction
- loweste6
- Qualifier
- after 120 he6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This study determined the cyanogenic potential of the cassava peels”
e6“heap fermentation or soaking gave the lowest residual cyanide after 120 h”
Claim · model-written summary
Cassava peels could be safely used as livestock feed if treated to reduce cyanogenic potential.
Verbatim
e7“Cassava peels could be safely used as livestock feed if they are treated to reduce the cyanogenic potential”
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See all 5 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.