Non-destructive testing of the quality of naturally white food products

Elzbieta Marszalec, Harri Kopola, Risto Myllylä

Research output: Contribution to journalArticleScientificpeer-review

1 Citation (Scopus)

Abstract

Results of research on the determination of a method and a system for on-line non-destructive testing of the quality of naturally white materials are presented. Taking into account analysis of the color properties of the material, two methods are proposed: the first is based on calculation of color indices (whiteness, yellowness, and blue reflectance), and the second is based on comparison of the measured reflectance spectra in appropriately selected wavelength ranges. Practical realization of the second sensing method is described using an optical-fiber color sensor. The testing methods presented can be applied for non-destructive on-line inspection of various color products in different industries.
Original languageEnglish
Pages (from-to)503 - 509
Number of pages7
JournalSensors and Actuators B: Chemical
Volume11
Issue number1-3
DOIs
Publication statusPublished - 1993
MoE publication typeA1 Journal article-refereed

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