The isolation of crystalline i-urobilinogen (mesobilirubinogen) from feces. Comparison with crystalline d-urobilinogen (H44) and seprartion of natural i-urobilin into optically active components.
D055598:Chemical Phenomena; D002627:Chemistry, Physical; D003460:Crystallization; D005243:Feces / Q000032:analysis*; D006801:Humans; D014557:Urobilin; D014558:Urobilinogen / Q000032:analysis*
D014558:Urobilinogen; D014557:Urobilin