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https://hdl.handle.net/11499/9037
Title: | Effect of temperature on water diffusion during rehydration of sun-dried red pepper (Capsicum annuum L.) | Authors: | Demiray, Engin Tülek, Yahya |
Keywords: | Activation energy Kinetics Moisture Arrhenius equation Capsicum annuum Complex Processes Effect of temperature Effective moisture diffusivity Rehydration kinetic Water diffusion Weibull models Plants (botany) |
Publisher: | Springer Verlag | Abstract: | Rehydration, which is a complex process aimed at the restoration of raw material properties when dried material comes in contact with water. In the present research, studies were conducted to probe the kinetics of rehydration of sun-dried red peppers. The kinetics associated with rehydrating sun-dried red peppers was studied at three different temperatures (25, 35 and 45 °C). To describe the rehydration kinetics, four different models, Peleg’s, Weibull, first order and exponential association, were considered. Between these four models proposed Weibull model gave a better fit for all rehydration conditions applied. The effective moisture diffusivity values of red peppers increased as water rehydration temperature increased. The values of the effective moisture diffusivity of red peppers were in the range 1.37 × 10-9–1.48 × 10-9 m2 s-1. On the other hand, the activation energy for rehydration kinetic was also calculated using Arrhenius equation and found as 3.17 kJ mol-1. © 2016, Springer-Verlag Berlin Heidelberg. | URI: | https://hdl.handle.net/11499/9037 https://doi.org/10.1007/s00231-016-1940-0 |
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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