ergothioneine

noun
er·​go·​thi·​o·​ne·​ine | \ ˌər-gō-ˌthī-ˈō-nē-ˌēn How to pronounce ergothioneine (audio) , -ˈän-ē- How to pronounce ergothioneine (audio) \

Medical Definition of ergothioneine

: a crystalline betaine C9H15N3O2S that is found especially in ergot and blood

called also thioneine

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