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Salmon

The flesh of salmon ranges from pink to deep reddish-orange. This is a result of its diet, which comprises krill and tiny crustaceans. These are rich in colorful carotenoids, namely astaxanthin food. Astaxanthin is heat stable, so unlike tuna, salmon remains red even when cooked

Tuna

Tuna is a large, muscular fish with flesh that ranges from pink to dark red depending on the variety. The color comes from myoglobin, an oxygen-storing protein found in muscle menu. Myoglobin breaks down quickly when heated. Thus, cooked and canned tuna looks grayer than