Medical Dictionary


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noun er·go·thi·o·ne·ine \ˌər-gō-ˌthī-ˈō-nē-ˌēn, -ˈän-ē-\

Medical Definition of ergothioneine

  1. :  a crystalline betaine C9H15N3O2S that is found especially in ergot and blood—called also thioneine

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