| Abstract: | The color-forming potential of carbonyl compounds from liquid smoke solutions with selected amino acids was determined with a colori-metric procedure used in industry and compared with a color analysis on filter oaoer discs. The two methods provided different evaluations of formed colors. Of the carbonyls tested, glycolaldehyde, methyl-glyoxal and glyoxal showed significant browning potential, while formaldehyde and hydroxyacetone showed very little color formation. Measurement of browning potential of amino acids varied between the procedures. The disc assay procedure enabled better characterization of smoke colors produced. |
