T_E film shifted to higher values (p 0.05) and the chromaticity
decreased (p 0.05), both observations being indicative of degradation
of lycopene. The BeC film also suffered a significant modification
of hue and chroma during storage (p 0.05), which is also
indicative of degradation of carotenoid and is in agreement with
results shown in Figs. 2, 3 and 5. In contrast, neither hue angle nor
chromaticity underwent any change in the S_E film during storage
(p > 0.05), which would be in agreement with the slower degradation
of astaxanthin in comparison with the other carotenoids
(Figs. 3 and 5). With regard to the C film, both hue and chroma
remained stable, revealing the absence of yellowing, in contrast to
other muscle protein films such as those from round scad, tilapia, or
giant squid
T_E film shifted to higher values (p 0.05) and the chromaticitydecreased (p 0.05), both observations being indicative of degradationof lycopene. The BeC film also suffered a significant modificationof hue and chroma during storage (p 0.05), which is alsoindicative of degradation of carotenoid and is in agreement withresults shown in Figs. 2, 3 and 5. In contrast, neither hue angle norchromaticity underwent any change in the S_E film during storage(p > 0.05), which would be in agreement with the slower degradationof astaxanthin in comparison with the other carotenoids(Figs. 3 and 5). With regard to the C film, both hue and chromaremained stable, revealing the absence of yellowing, in contrast toother muscle protein films such as those from round scad, tilapia, orgiant squid
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