Abstract
The aim of this study was to observe a change in color and a degradation of total carotenoids and β-carotene in carrots subjected to spout-fluidized bed drying at 60, 70, 80, and 90°C. Additionally, the color of carrots rehydrated at 95°C (10 min) was measured in order to estimate the reversibility of color changes caused by drying. Significant changes in a*, b*, ΔE*, and ΔC* were observed during drying and rehydration of carrots. The total difference in color and saturation ranged from 23.67 to 30.28, and from 22.97 to 29.90, depending on drying air temperature. The rate of deterioration of total carotenoids and β-carotene content influenced the color parameters of carrots. The first-order kinetic model adequately described evolution of a*, b*, ΔE*, and ΔC* derived for carrots during drying at 60, 70, 80, and 90°C. It was found that the spout-fluidized bed drying followed by rehydration changed the color of carrots irreversibly.
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Claims 6
Claim · model-written summary
Drying and rehydration significantly changed carrot a*, b*, ΔE* and ΔC*.
- Taxon
- carrots
Daucus carotae0 - Treatment
- drying and rehydratione0
- Outcome
- a*, b*, ΔE*, and ΔC*e0
- Direction
- changese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Significant changes in a*, b*, ΔE*, and ΔC* were observed during drying and rehydration of carrots”
Claim · model-written summary
Total carrot color difference varied from 23.67 to 30.28 with drying temperature.
- Taxon
- carrotsDaucus carotat0
- Outcome
- total difference in colore0
- Value
- 23.67 to 30.28e0
- Qualifier
- depending on drying air temperaturee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The total difference in color and saturation ranged from 23.67 to 30.28, and from 22.97 to 29.90, depending on drying air temperature”
t0“Carrots”
Claim · model-written summary
Carrot color saturation difference varied from 22.97 to 29.90 with drying temperature.
- Taxon
- carrotsDaucus carotat0
- Outcome
- saturatione0
- Value
- 22.97 to 29.90e0
- Qualifier
- depending on drying air temperaturee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The total difference in color and saturation ranged from 23.67 to 30.28, and from 22.97 to 29.90, depending on drying air temperature”
t0“Carrots”
Claim · model-written summary
Deterioration rates of total carotenoids and β-carotene content influenced carrot color parameters.
- Taxon
- carrotsDaucus carotae0
- Outcome
- color parameterse0
- Qualifier
- rate of deterioration of total carotenoids and β-carotene contente0
Not reportedCompoundOrgan / stageTreatmentComparatorSettingDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The rate of deterioration of total carotenoids and β-carotene content influenced the color parameters of carrots”
Claim · model-written summary
A first-order kinetic model adequately described carrot color parameter evolution during drying.
- Taxon
- carrotsDaucus carotae0
- Treatment
- drying at 60, 70, 80, and 90°Ce0
- Outcome
- evolution of a*, b*, ΔE*, and ΔC*e0
- Value
- 60, 70, 80, and 90°Ce0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The first-order kinetic model adequately described evolution of a*, b*, ΔE*, and ΔC* derived for carrots during drying at 60, 70, 80, and 90°C”
Claim · model-written summary
Spout-fluidized bed drying followed by rehydration irreversibly changed carrot color.
- Taxon
- carrotsDaucus carotae0
- Treatment
- spout-fluidized bed drying followed by rehydratione0
- Outcome
- color of carrotse0
- Direction
- changede0
- Qualifier
- irreversiblye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“spout-fluidized bed drying followed by rehydration changed the color of carrots irreversibly”
The same questions in other papers
processing · quality: postharvest · Daucus carota (carrot)Positive and negative results
3 papers in the same direction as this paper · 9 in the opposite direction
- positive
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See all 13 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.