hemin

noun

he·​min ˈhē-mən 

: a red-brown to blue-black crystalline salt C₃₄H₃₂N₄O₄FeCl derived from oxidized heme but usually obtained in a characteristic crystalline form from hemoglobin

Word History

Etymology

International Scientific Vocabulary

First Known Use

circa 1857, in the meaning defined above

Medical Definition

hemin

noun

he·​min

variants or chiefly British haemin

ˈhē-mən 

: a red-brown to blue-black crystalline salt C₃₄H₃₂N₄O₄FeCl that inhibits the biosynthesis of porphyrin and is used to ameliorate the symptoms of some forms of porphyria

called also protohemin