Dehydration Characteristics and Mathematical Modeling of Thyme Leaves using the Microwave Process

Issa Loghmanieh

Dehydration Characteristics and Mathematical Modeling of Thyme Leaves using the Microwave Process

Issa Loghmanieh * §

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§ Islamic Azad University science and research branch,...

Dehydration Characteristics and Mathematical Modeling of Thyme Leaves using the Microwave Process

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Abstract

Thyme leaves (Thymus vulgaris) with 50 g weight and 83.7% humidity on wet basis were dried in a laboratory scale microwave dryer using six different microwave power levels ranging between 200 to 700 W. The effect of drying power microwave on the coefficients of the best moisture ratio model was determined by non-linear regression method. Results from the mathematical modeling showed that the Midilli et al. model gave the best fit to describe the drying curve of thyme. In addition, the effective diffusivities of thyme under microwave drying were obtained from 2.94×10-7 to 7.38×10-7 m2/s. Also, the activation energy for the moisture diffusion was found to be 16.471 W/g.

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39 Cites in Article

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

Issa Loghmanieh. 2014. "Dehydration Characteristics and Mathematical Modeling of Thyme Leaves using the Microwave Process". Global Journal of Science Frontier Research - A: Physics & Space Science GJSFR-A Volume 13 (GJSFR Volume 13 Issue A8).

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GJSFR Volume 13 Issue A8

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Journal Specifications

Crossref Journal DOI 10.17406/GJSFR

Print ISSN 0975-5896

e-ISSN 2249-4626

Keywords

activation energy drying kinetics microwave Modeling thyme leaves

Classification

GJSFR-A Classification FOR Code: 291705

Submission ReceivedJune 30, 2013
Peer Review Double Blind
Handling Editor
Accepted July 29, 2013
Published August 9, 2013

Version of record

v1.2

Issue date

February 14, 2014

Language

English

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Article Matrices

Total Score: 126

Country: Iran

Subject: Global Journal of Science Frontier Research

Authors: Issa Loghmanieh, Hossein Bakhoda (PhD/Dr. count: 0)

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