Mathematical modeling for drying of whole leaf Aloe vera (Aloe barbadensis Miller)
2015
Pattali, Gritty (Agricultural Research Station, Kerala (India)) | Yenge, Govind (Agricultural University Mahatma Phule Krishi Vidypeeth, Maharashtra (India). Department of Agricultural Process Engineering) | Cheluvadi, Ramachandra (University of Agricultural Sciences Raichur, Karnataka (India). Department of Processing and Food Engineering) | Nidoni, Udaykumar (University of Agricultural Sciences Raichur, Karnataka (India). Department of Processing and Food Engineering) | Hiregoudar, Sharangouda (University of Agricultural Sciences Raichur, Karnataka (India). Department of Processing and Food Engineering)
The present work aimed to study the effects of different drying methods in terms of drying behavior, drying rate and mathematical modelling of drying process for whole leaf Aloe vera. Open yard sun drying, hot air drying and dehumidified air drying were taken as different drying methods. The whole leaf Aloe vera slices took 20 h to dry under open yard sun drying, 16 h in case of hot air drying, 11 h in dehumidified air drying having initial moisture content ranging from 3115.43% (d.b.) to a final moisture content of 8.6% (d.b.). The different thin layer drying models were applied on the experimental moisture loss data with respect to time to predict the drying pattern properly. On the basis of coefficient of determination (0.9764) and standard error (0.0552), the Page model showed better fit.
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