ergothioneine(redirected from thiolhistidylbetaine)
The betaine of a sulfur-containing derivative of histidine, present in blood and other mammalian tissue and in ergot.
C9H15N3O2S·2H2O; thiolhistidine-betaine. A compound containing crystalline sulfur, it is found in ergot and red blood cells.
a sulfur-containing base, present in significant quantities in the semen of the boar and the stallion, which is thought to protect spermatozoa against oxidizing agents. In other species this role is played by ascorbic acid.