Abstract
In the production process of straw potatoes, a large amount of residual starch from the washing stage can be used to formulate biodegradable materials. The present study evaluated the use of a coating made from this residual starch in the postharvest conservation of ‘Prata’ bananas during storage (23.5±0.5ºC and 73.3±2.4% RH). The following postharvest treatments were performed: 1) control; 2) immersion in a solution (82% residual starch, 13% glycerol, and 5% acetic acid at 4.5% w/v). Samples were characterized every two days for mass loss, L* value, hue angle, chroma, firmness, soluble solids, titratable acidity, and pH. The coated fruits showed greater mass loss compared to the control from the fourth day onwards, without changes in the appearance and quality of the banana. A lower hue angle and higher L* value and chroma were observed in the control fruits compared to the coated ones. A more pronounced linear reduction in firmness was observed in the control fruits compared to the coated bananas. The coating was effective in reducing the soluble solids content of the fruits. Therefore, the starch, acetic acid, and glycerol coating applied to the banana peel proved to be effective in delaying the ripening of the fruits for 8 days.
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Claims 7
Claim · model-written summary
Coated bananas showed greater mass loss than control fruit from day four onward.
Verbatim
t0“‘Prata’ bananas”
e2“immersion in a solution (82% residual starch, 13% glycerol, and 5% acetic acid at 4.5% w/v)”
e1“The coated fruits showed greater mass loss compared to the control from the fourth day onwards”
Claim · model-written summary
Control fruit had a lower hue angle than coated fruit.
Verbatim
t0“‘Prata’ bananas”
e3“A lower hue angle and higher L* value and chroma were observed in the control fruits compared to the coated ones”
Claim · model-written summary
Control fruit had higher L* value and chroma than coated fruit.
Verbatim
t0“‘Prata’ bananas”
e3“A lower hue angle and higher L* value and chroma were observed in the control fruits compared to the coated ones”
Claim · model-written summary
Firmness fell more markedly and linearly in control fruit than in coated bananas.
Verbatim
t0“‘Prata’ bananas”
e2“immersion in a solution (82% residual starch, 13% glycerol, and 5% acetic acid at 4.5% w/v)”
e4“A more pronounced linear reduction in firmness was observed in the control fruits compared to the coated bananas”
Claim · model-written summary
The coating reduced soluble solids content of the fruit.
Not reportedComparator
Verbatim
t0“‘Prata’ bananas”
e5“The coating was effective in reducing the soluble solids content of the fruits”
Claim · model-written summary
The starch, acetic acid and glycerol coating delayed ripening of bananas for 8 days.
- Taxon
- bananast0
- Treatment
- starch, acetic acid, and glycerol coatinge6
- Outcome
- ripeninge6
- Direction
- delayinge6
- Value
- 8 dayse6
Not reportedComparator
Verbatim
t0“‘Prata’ bananas”
e6“the starch, acetic acid, and glycerol coating applied to the banana peel proved to be effective in delaying the ripening of the fruits for 8 days”
Claim · model-written summary
The coating did not change appearance and quality of bananas relative to control.
Verbatim
t0“‘Prata’ bananas”
e2“immersion in a solution (82% residual starch, 13% glycerol, and 5% acetic acid at 4.5% w/v)”
e7“The coated fruits showed greater mass loss compared to the control from the fourth day onwards, without changes in the appearance and quality of the banana”
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See all 82 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.