Ergothioneine

L-ergothioneine (EGT) is a compound discovered in 1909, originally found in a fungus Claviceps purpurea, pure is white crystal, water soluble, (soluble at room temperature 0.9mol/L), It is a natural antioxidant that does not oxidize itself at physiological pH values and in strong alkali solutions, and can protect DNA proteins from oxidative damage; At the same time, as a rare sulfur-containing amino acid (L-mercaptohistidine trimethylendolide), it is a natural cell protectant and antioxidant in the human body, with anti-photoaging and antioxidant effects.