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Pigments
Salmon and trout feeds sometimes include ingredients
that impart reddish or pink color to the flesh.
 Astanxanthin, canthaxanthin and beta-carotene are
commonly used.
 These may be plant or algae extracts, or chemically
derived.
 May also use whole algae as ingredient (Spirulina or
Dunaliella)
 Yes, the same extracts and algae sold in health food
stores, (which was not included in the scare stories)
