Modeling of thin layer drying of tarragon (Artemisia dracunculus L.) |
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| Authors: | A Arabhosseini W Huisman A van Boxtel J Müller |
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| Institution: | 1. Aboureyhan Campus, University of Tehran, P.O. Box 11365-4117, Tehran, Iran;2. Farm Technology Group, Wageningen University, The Netherlands;3. Control System Engineering Group, Wageningen University, The Netherlands;4. Institute of Agricultural Engineering, University of Hohenheim, Stuttgart, Germany;1. Department of Plant Biology and Pathology, The State University of New Jersey, 237 Foran Hall, 59 Dudley Road, New Brunswick, NJ 08901, USA;2. New Use Agriculture and Natural Plant Products Program, School of Environmental and Biological Sciences, Rutgers, The State University of New Jersey and the New Jersey Agricultural Experimental Station (NJAES), 59 Dudley Road, New Brunswick, NJ 08901, USA;3. Department of Ecology, Evolution, & Natural Resources, School of Environmental and Biological Sciences, Rutgers, The State University of New Jersey, 14 College Farm Road, New Brunswick, NJ 08901-8520, USA;1. Iranian Tissue Bank & Research Center, Tehran University of Medical Sciences, Tehran, Iran;2. Cancer Research Center, Tehran University of Medical Sciences, 1419733141 Tehran, Iran;3. Department of Pharmacology, Fasa University of Medical Sciences, Fasa, Iran;4. Pathology Department, Faculty of Medicine, Tehran University of Medical Sciences, Tehran, Iran;1. Master’s program in Biosystems Engineering, Engineering School, Federal Fluminense University, Niterói, Rio de Janeiro, Brazil;2. Agribusiness Engineering Department, Federal Fluminense University, Volta Redonda, Rio de Janeiro, Brazil;1. ERIDDECV (Research Team of Innovation and Sustainable Development & Expertise in Green Chemistry), Department of Chemistry, FSSM, Cadi Ayyad University, B.P. 2390, Marrakesh, 40000, Morocco;2. Laboratory of Solar Energy and Medicinal Plants, Teacher’s Training College, Cadi Ayyad University, BP 2400, Marrakesh, Morocco;1. William Hansel Cancer Prevention Laboratory, Pennington Biomedical Research Center, Louisiana State University System, Baton Rouge, LA, USA;2. Cell Biology and Bio-imaging, Pennington Biomedical Research Center, Louisiana State University System, Baton Rouge, LA 70808, USA;3. Department of Experimental Pathology, Mayo Clinic, Rochester, MN 55905, USA;4. Department of Plant Biology and Pathology, Rutgers University, New Brunswick, NJ 08901-8521, USA;1. Department of Horticultural Science, Faculty of Agriculture, Lorestan University, PO Box 465, Khorramabad, Iran;2. Department of Agriculture and Plant Breeding, Faculty of Agriculture, Shahrood University of Technology, Semnan, Iran;3. Department of Horticultural Science, Faculty of Agriculture, University of Maragheh, Maragheh, Iran;4. Department of Horticultural Sciences, Faculty of Agriculture, Malayer University, Malayer, Iran |
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| Abstract: | The drying behavior of tarragon leaves as well as chopped plants were evaluated at air temperatures ranging from 40 to 90 °C, at various air relative humidities and a constant air velocity of 0.6 m/s. The experimental data was fitted to a number of thin layer drying equations. The equations were classified to select the more relevant one. Three equations were selected and the coefficients of the equations were compared by three statistical parameters as residual sum of squares, standard error of estimate and mean relative deviation. The effect of temperature on the coefficients of the three selected equations was evaluated by nonlinear regression. The results show that higher temperature cause shorter drying time. Separated leaves have shorter drying time compared to chopped plants. Although the Diffusion approach equation showed the best fit, the Page equation was selected, since it had almost a similar performance but the equation is simpler with two parameters instead of three. Then a function was derived describing the relationship between the two parameter values and drying temperature. |
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