Grey Shrimps of the Opal Coast

Grey shrimps are fished on the beaches of the Opal Coast, along the northern Atlantic coast of France.

They are fished as the tide goes out with a special net called “haveneau”.

When we buy these beautiful blue-grey crustaceans at the open market they are still jumping lively in their baskets.

But once cooked, their color changes dramatically to an often vibrant pinkish-orange color.

Here’s why…

‘The outer shell is made of a protein, crustacynin (like all the other crustaceans), which holds in a tight embrace the underlying pigment called astaxanthin.

Because these proteins are not heat stable, they unravel in boiling water. Releasing and voila! allowing the astaxianthin’s true red color shine through.
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