Determination of Free Fatty Acids in Cooking Oil: Traditional Spectrophotometry and Optothermal Window Assay (CROSBI ID 127653)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Győrik, Marta ; Ajtony, Zsolt ; Doka, Otto ; Alebić-Juretić, Ana ; Bicanic, Dane ; Koudijs, Arie
engleski
Determination of Free Fatty Acids in Cooking Oil: Traditional Spectrophotometry and Optothermal Window Assay
The concept of optothermal window (OW), combined with copper soap based colorimetry, was proposed as a new analytical tool to determine total free fatty acid (FFA) content in thermally treated cooking oil. The results obtained were compared to those acquired bzconventional spectrometry ; the correlation between the two methods is high for FFA concentration exceeding 2 umol/ml.
free fatty acid; spectrophotometry; photothermal method
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