The presence of carotenoids in animal tissue reflects their sources along the food chain.
Astaxanthin, the main carotenoid used for salmonid pigmentation, is usually included in the …

Analytical methods are needed to determine the presence of color additives in fish. We
report a liquid chromatographic (LC) method developed to identify the synthetic form of the …

Visual and chemical determinations revealed that the individual optical isomers of
astaxanthin were more efficacious than canthaxanthin in pigmenting the flesh of rainbow …

Detection of canthaxanthin or of an astaxanthin stereoisomer composition deviating from
that in wild salmonids seems to be a reliable method of distinguishing farmed from wild …

The deposition of natural, optically active, astaxanthin fatty acid esters in rainbow trout
(Oncorhynchus mykiss) was studied. Mono‐esterified and di‐esterified (3S, 3′ S) …

Abstract Concentrations of all-E-, 9Z-and 13Z-geometrical and (3R, 3'R),(3R, 3'S) and (3S,
3'S) optical isomers of astaxanthin were determined in rainbow trout liver, gut tissues …

Astaxanthin, a predominant carotenoid mainly distributed in aquatic animals, has been
widely utilized as a food additive in modern aquaculture. Astaxanthin has many optical and …

Total carotenoid (astaxanthin, cantaxanthin) content were determined in 60 traditionally
cultured salmons (ICL, N1CL, N2CL)(Salmo salar), 10 natural salmons (NWL)(S. salar), 20 …

Many studies have demonstrated that xanthophylls, such as astaxanthin, have beneficial
effects in human health, and their use in food supplements is thus encouraged. Moreover …

The coloring efficiency and physiological function of astaxanthin in fish vary with its regions.
The aim of this study was to compare the retention rates of dietary astaxanthin from different …