Quantitative moisture content detection in food wafers

Author

Parasoglou, P. ; Parrott, E.P.J. ; Zeitler, J.A. ; Rasburn, J. ; Powell, H. ; Gladden, L.F. ; Johns, M.L.

Author_Institution

Dept. of Chem. Eng. & Biotechnol., Univ. of Cambridge, Cambridge, UK

fYear

2009

fDate

21-25 Sept. 2009

Firstpage

1

Lastpage

2

Abstract

A quantitative, non-invasive measurement of the moisture content of intact food wafers using terahertz (THz) radiation is presented. A linear relationship between the moisture content of the samples and the absorption of terahertz radiation was observed, particularly in the range of 0.2 to 0.6 THz. The method is robust with direct interpretation of the time domain signal requiring simple calibration against a gravimetric method.

Keywords

calibration; electromagnetic wave absorption; food products; food technology; moisture measurement; terahertz waves; time-domain analysis; calibration; food wafer; frequency 0.2 THz to 0.6 THz; gravimetric method; quantitative moisture content detection; terahertz radiation absorption; time domain signal; Calibration; Electromagnetic measurements; Fluctuations; Food industry; Moisture measurement; Nitrogen; Robustness; Spectroscopy; Submillimeter wave measurements; Water;

fLanguage

English

Publisher

ieee

Conference_Titel

Infrared, Millimeter, and Terahertz Waves, 2009. IRMMW-THz 2009. 34th International Conference on

Conference_Location

Busan

Print_ISBN

978-1-4244-5416-7

Electronic_ISBN

978-1-4244-5417-4

Type

conf

DOI

10.1109/ICIMW.2009.5324623

Filename

5324623