Please use this identifier to cite or link to this item: 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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