Why do Shrimp and other shell fish turn pink when cooked?!

Question:

Why do Shrimp and other shell fish turn pink when cooked?

Answers:

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The pink or red color is the pigment astaxanthin, but its molecules are wrapped up in dark protein chains. So the shells are dark. Whenever you cook a protein, though, it uncoils, or denatures, and in the case of these shellfish, that frees the red pigment and the shell changes color.

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Source(s):
http://www.ochef.com/718.htm

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Hmmm no one here knows....We're not that S M R T

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