Cooking Mud Crabs: Why the Color Changes

Above is a GIF I created. After writing on crab mentality and the Filipino First Policy --I got inspired to write about why mud crabs change color. Mud crab dishes are one of my favorite foods in Surigao City. The color is dark but when it's cooked, it goes red. The Tavern Hotel is among the best places to get a mud crab dish. Now, it's time to do science as a daily hobby. Sure, I'm no chemist or biochemist. However, researching and studying science as a hobby is sure fun. Here's an explanation from The Conversation : A crustacean’s exoskeletons contain several chemicals called pigments, which give the crabs and prawns their colour. One of these is an orange-ey pigment called “astaxanthin”. This is a member of the family of pigments that is responsible for colouring many of the yellow, orange and red animals. When the crustaceans are alive, the astaxanthin is tightly wrapped up and trapped by a special protein called “crustacyanin”. This is why live crabs and prawns us...