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https://hdl.handle.net/11499/9213
Title: | The effect of pretreatments on air drying characteristics of persimmons | Authors: | Demiray, Engin Tülek, Yahya |
Keywords: | Activation energy Blanching Plants (botany) Sugar (sucrose) Drying characteristics Drying temperature Effective diffusivities Hot-air dryers Non-linear regression Pre-treatments Sucrose solution Thin layer drying models Drying |
Publisher: | Springer Verlag | Abstract: | In this study, whole and peeled persimmons were dried in the ranges of 55–75 °C of drying temperature in a hot air dryer. The effect of drying temperature and pretreatments on the drying characteristics was determined. Immersing in a solution of 20 % sucrose resulted in an increase in the drying rate of persimmons. A non-linear regression procedure was used to fit five thin-layer drying models available in the literature to the experimental moisture loss data. The Page and Modified Page models have shown a better fit to the experimental drying data as compared to other models. The effective diffusivity was determined to be 9.237 × 10-10–10.395 × 10-10 m2 s-1 for the blanched persimmons and 7.755 × 10-10–9.631 × 10-10 m2 s-1 for immersed sucrose solution persimmons. The activation energies for diffusion were calculated to be 56.09 kJ mol-1 (for blanched) and 10.28 kJ mol-1 (for immersed sucrose solution). © 2016, Springer-Verlag Berlin Heidelberg. | URI: | https://hdl.handle.net/11499/9213 https://doi.org/10.1007/s00231-016-1797-2 |
ISSN: | 0947-7411 |
Appears in Collections: | Mühendislik Fakültesi Koleksiyonu Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection |
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