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Effect of Ethyl Oleate Pretreatment on Drying of Ginger : Characteristics and Mathematical Modelling
Joint Authors
Varma, Mahesh N.
Deshmukh, A. Waheed
Yoo, Chang Kyoo
Wasewar, Kailas L.
Source
Issue
Vol. 2013, Issue 2013 (31 Dec. 2013), pp.1-6, 6 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2013-10-22
Country of Publication
Egypt
No. of Pages
6
Main Subjects
Abstract EN
Ginger is of high value and export oriented commodity crop, which plays an important role in agricultural sector.
Proper drying techniques are required to capitalize this crop.
In the present study, the effect of chemical pretreatment of alkaline ethyl oleate on drying behaviour of ginger was investigated and compared with untreated ginger at selected temperatures of 45, 55, and 65°C at a constant air velocity of 1.8 m/s.
The drying rate curves showed that drying occurred in falling rate period and the drying times of pretreated ginger were shorter than those of untreated ginger.
Thin-layer drying models such as Newton, Page, Modified Page, Henderson and Pabis, and Wang and Singh were evaluated based on statistical criteria.
The Page model was found to be a better model for describing the drying kinetics of the ginger.
The rehydration capacity of pretreated sample was more than that of untreated sample and increased with drying temperature.
The transport of water during drying was temperature dependent and described by Fick’s equation.
The effective diffusivity varied from 3.87×10−10 to 1.55×10−9 m2/s and 4.43×10−10 to 1.89×10−9 m2/s with drying temperature for untreated and pretreated ginger slices, respectively.
American Psychological Association (APA)
Deshmukh, A. Waheed& Varma, Mahesh N.& Yoo, Chang Kyoo& Wasewar, Kailas L.. 2013. Effect of Ethyl Oleate Pretreatment on Drying of Ginger : Characteristics and Mathematical Modelling. Journal of Chemistry،Vol. 2013, no. 2013, pp.1-6.
https://search.emarefa.net/detail/BIM-505719
Modern Language Association (MLA)
Deshmukh, A. Waheed…[et al.]. Effect of Ethyl Oleate Pretreatment on Drying of Ginger : Characteristics and Mathematical Modelling. Journal of Chemistry No. 2013 (2013), pp.1-6.
https://search.emarefa.net/detail/BIM-505719
American Medical Association (AMA)
Deshmukh, A. Waheed& Varma, Mahesh N.& Yoo, Chang Kyoo& Wasewar, Kailas L.. Effect of Ethyl Oleate Pretreatment on Drying of Ginger : Characteristics and Mathematical Modelling. Journal of Chemistry. 2013. Vol. 2013, no. 2013, pp.1-6.
https://search.emarefa.net/detail/BIM-505719
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-505719