The pink/orange hue seen in some salmon, trout, and crustaceans comes from
A) astaxanthins.
B) exposure to oxygen.
C) omega-3 fatty acids.
D) anthocyanins and anthoxanthins.

Question

Quizplus · Accepted Answer

Astaxanthins, a type of carotenoid pigment, are responsible for the pink/orange hue seen in salmon, trout, and some crustaceans. These pigments are obtained from their diet, which includes krill and other small organisms that synthesize astaxanthin.

The Pink/orange Hue Seen in Some Salmon, Trout, and Crustaceans