Effect of electric field on mass transfer during oleuropein extraction

The use of alternative extraction methods has increased since conventional methods have disadvantages like long processing time and limited extraction yield. It is known that the extraction yield is enhanced, and the processing time is shortened by the electric field. However, the mathematical chara...

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Bibliographic Details
Published in:Physics of fluids (1994) 2023-06, Vol.35 (6)
Main Authors: Cokgezme, Omer Faruk, Icier, Filiz
Format: Article
Language:English
Subjects:
Correlation analysis
Disintegration
Electric fields
Finite element method
Fluid dynamics
Mass transfer
Mathematical models
Microstructure
Oleuropein
Parameters
Physics
Square waves
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Summary:The use of alternative extraction methods has increased since conventional methods have disadvantages like long processing time and limited extraction yield. It is known that the extraction yield is enhanced, and the processing time is shortened by the electric field. However, the mathematical characterization of the electrically assisted processes is needed for a better understanding and the improvement of extraction. In this study, effects of the moderate electric field extraction (MEF-E) parameters (frequencies of 1, 1000, and 2000 Hz, and wave types of sine and square) on yield, cell disintegration index (Zc), microstructure, and mass transfer coefficient (Deff) were investigated to examine mass transfer characteristics of the extraction of oleuropein from olive leaves. Correlation analysis was performed to investigate the relations between yield, Zc, Deff, and the changes in the cross section areas of palisade cells. The frequency and wave significantly affected yield, Zc, microstructural changes, and Deff values (p 
ISSN:1070-6631
1089-7666
DOI:10.1063/5.0151594