Dielectric Spectroscopy Measurements on Fruit, Meat, and Grain

摘要

Dielectric spectroscopy data measured for several fresh fruits, fresh chicken breast, and hard red winter wheat are presented, and the dielectric behavior is discussed with respect to important variables. A brief review of reported measurements on these materials and description of the methods of measurement are included. Frequency ranges for the data are 10 MHz to 1.8 GHz and 200 MHz to 20 GHz. Variation of the dielectric constant and loss factor with frequency and temperature are shown graphically, and the influences of dipolar relaxation and ionic conduction are discussed.