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Validation of drying models and rehydration characteristics of betel (Piper betel L.) leaves

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Title Validation of drying models and rehydration characteristics of betel (Piper betel L.) leaves
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Creator S Balasubramanian, R Sharma, RK Gupta, RT Patil
 
Subject Betel leaves - Piper betel - Tunnel dryer - Cabinet dryer - Drying models
 
Description Not Available
Effect of temperature on drying behaviour of betel leaves at drying air temperatures of 50, 60 and 70°C was investigated in tunnel as well as cabinet dryer. The L* and b* values increased whereas, a* values decreased, as the drying air temperature increased from 50 to 70°C in both the dryers, but the colour values remained higher for cabinet dryer than tunnel dryer in all cases. Eleven different drying models were compared according to their coefficients of determination (R2), root mean square error (RMSE) and chi square (χ 2) to estimate drying curves. The results indicated that, logarithmic model and modified Page model could satisfactorily describe the drying curve of betel leaves for tunnel drying and cabinet dryer, respectively. In terms of colour quality, drying of betel leaves at 60°C in tunnel dryer and at 50°C in cabinet dryer was found optimum whereas, rehydration at 40°C produced the best acceptable product.
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Date 2021-07-14T08:49:53Z
2021-07-14T08:49:53Z
2011-01-01
 
Type Article
 
Identifier Not Available
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http://krishi.icar.gov.in/jspui/handle/123456789/47876
 
Language English
 
Relation Not Available;
 
Publisher Springer India