Abstract
The aim of this study is to investigate a new drying method that depends on absorbing the moisture from the air using some chemical materials named desiccants. The experiments were done in two stages; the initial experiments were with no load (without plants in the drying chamber) on purpose of choosing the best treatment that provides high dehydrated air. Three forced air velocities were used (2.0, 4.50 and 7.0 m/s) in combination with three desiccant materials and four configurations of them. The used desiccants were sulfuric acid conc., calcium chloride anhydrous and silica gel. The best treatment for dehydrating the air was when air passes in succession through 4 flasks of 500 ml H2SO4, 500 g CaCl2, 500 ml H2SO4 and 500 g SiO2 with the lowest velocity (2.0 m/s). The declination of moisture was from 56.77% to 18.2%. In the second stage oven dryer was used at 70 °C and Desiccant Drying System (DDS) with the best treatment in drying garlic with slices thickness 3 mm. Three levels of loading were also used 1.15 Kg/m², 2.3 Kg/m² and 4.6 Kg/m². The quality attributes of the fresh and dehydrated garlic slices were evaluated for color and oil content. The results revealed that using the DDS method provides a good quality dehydrated garlic slices with higher oil content and lower color change.
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Claims 3
Claim · model-written summary
The selected desiccant sequence reduced air moisture from 56.77% to 18.2%.
Not reportedTaxon
Verbatim
e0“The best treatment for dehydrating the air was when air passes in succession through 4 flasks of 500 ml H2SO4, 500 g CaCl2, 500 ml H2SO4 and 500 g SiO2 with the lowest velocity (2.0 m/s). The declination of moisture was from 56.77% to 18.2%.”
Claim · model-written summary
Desiccant drying gave garlic slices higher oil content.
- Taxon
- garlic
Allium sativume0 - Treatment
- DDS methode0
- Outcome
- oil contente0
- Direction
- highere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“using the DDS method provides a good quality dehydrated garlic slices with higher oil content and lower color change.”
Claim · model-written summary
Desiccant drying gave garlic slices lower color change.
- Taxon
- garlicAllium sativume0
- Treatment
- DDS methode0
- Outcome
- color changee0
- Direction
- lowere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“using the DDS method provides a good quality dehydrated garlic slices with higher oil content and lower color change.”
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processing · quality: postharvest · Allium sativum (garlic)Positive and negative results
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See all 13 papers →processing · quality: oil · Allium sativum (garlic)Results agree
1 paper in the same direction as this paper
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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.