journal article·2008-01

Influence of Water Content on RF and Microwave Dielectric Behavior of Foods

Stuart O. Nelson, Samir Trabelsi

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Abstract

The importance of dielectric properties of food materials is discussed with respect to their influence on the heating of materials by radio-frequency and microwave energy and their use for rapid, nondestructive sensing of quality characteristics of such materials. Data are presented graphically showing the frequency and temperature dependence of the dielectric constant and loss factor of wheat, fresh chicken breast meat, several fresh fruits, and apple juice, representing food materials with a wide range of moisture content. The influence of moisture or water content on the dielectric behavior of these materials is discussed, and that behavior is explained in terms of dipolar relaxation and ionic conduction.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Microwave and Dielectric Measurement Techniques · Material Properties and Processing · Food Drying and Modeling

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

References (5)

Show source-provided references
1. Datta, A.K., E. Sun and A. Solis (1995). “Food dielectric property data and their composition-based prediction.” In: M.A. Rao and S.S.H. Rizvi (Editors), Engineering properties of foods. Marcel Dekker, Inc., New York, Basel, Hong Kong.
2. Mudgett, R. E. (1995). “Electrical properties of foods.” In: M.A. Rao and S. S. H. Rizvi (Editors), Engineering properties of foods. Marcel Dekker, Inc., New York, Basel, Hong Kong.
3. Nelson, S. O. and A. K. Datta (2001). “Dielectric properties of food materials and electric field interactions.” In: A.K. Datta and R.C. Anantheswaran (Editors), Handbook of Microwave Technology for Food Applications. Marcel Dekker, Inc., New York.
4. Nelson, S. O., W.C. Guo, S. Trabelsi and S. J. Kays (2007a). “Dielectric properties of watermelons and correlations with soluble solids content.”ASABE Paper No. 076073. American Society of Agricultural and Biological Engineers, St. Joseph, MI, U.S.A.
5. Nelson, S.O., S. Trabelsi and S. J. Kays (2008). “Dielectric spectroscopy of melons for quality sensing.”ASABE Paper No. 083627. American Society of Agricultural and Biological Engineers, St. Joseph, MI.10.13031/2013.25384 ↗