Chroma, which is a measure
of the intensity of color, ranged from 17 to about 25 at the initiation of
the study (Fig. 6). Color saturation of GSE100- and AA-containing
samples was highest (pb0.05) at the initiation (24–25) while those of
GSE300- and GSE500-containing samples were lowest (17–19;
pb0.05). Chroma of all samples decreased, especially during the
first 2 months of storage. Chroma was most stable throughout the storage period in samples containing the higher levels of GSE
(300 ppm and 500 ppm).