Shinsuke Ifuku, a professor of chemistry at Tottori University, made a study of food waste to assess the recycling potential of crab shells. It has been found that chitin, the main component ...

Its eyes, mouthparts, and front and back legs appear blue (1) because these body parts are low in chitin, the hard substance that makes up a crab’s shell. The parts of this crab that have a more ...