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Effects of drying temperatures on drying rate of red onion at various drying methods

Effects of drying temperatures on drying rate of red onion at various drying methods

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Fig. 1. Drying rate curve for red onion using electric dryer
Fig. 3. Drying rate curve for cream onion using electric dryer
Fig. 7. Effects of drying temperatures on drying rate of red onion at...
Fig. 13. Electric drying of onions at 50 o C
+6 Fig. 17. Kerosene drying of onions at 60 o C
Effects of Some Drying Methods on the Quality of Dried Nigerian Onion Varieties
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  • Sep 2021
This research aimed to study the effects of some drying methods on the qualities of dried Nigerian onion varieties. Sliced onion samples of 1.5kg from each variety were dried in the three dryers at varying pre-determined temperatures of 50, 60, and 70oC. At 50, 60, and 70oC, the electrically powered dryer dried red onion for 13.55, 12.10, and 10.30...
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Context 1
... graphs of drying temperatures versus drying rate curves (Figs. 7 -9) revealed that a higher drying rate was observed at higher temperature (70 o C) irrespective of the onion varieties in both kerosene and electrically powered drying considered for the experiment. This is because as air temperature increases, the drying air can heat up the product, move over the product, and provide latent heat for ...
Context 2
... graphs of drying temperatures versus drying rate curves (Figs. 7 -9) revealed that a higher drying rate was observed at higher temperature (70 o C) irrespective of the onion varieties in both kerosene and electrically powered drying considered for the experiment. This is because as air temperature increases, the drying air can heat up the product, move over the product, and provide latent heat for ...