According to the team, they created a new method of packaging that puts the tuna in a water-based solution that contains 1.2% cysteine, an amino acid that draws mercury out of the fish.

Cysteine is one of the many different amino acid molecules that can become linked together to form protein chains. Peptides ...

The amino acid cysteine has a chemically reactive side chain that can form bonds with another cysteine. Amino acids can also be basic, like lysine, or acidic, like glutamic acid. The sequence and ...