Why do lobsters turn red? (when we cook them)
Chemistry For Your Life
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Is Astzanthen in the Lobster Shell?
Pigmit, pigment, will make its way from the lobster skin into the lobsters shell. I don't know how it gets there. That's a biologist question. So they eat astzanthen, i think it's present plants and other things that they eat. And when the pigment is in the shell, it is actually bound to a protein. The red color, once it gets bound up by that protein, shifts to blue or black.
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