Definition of "hemin" [he•min]

• The reddish-brown crystalline chloride of heme, C34H32N4O4FeCl, produced when hemoglobin reacts with glacial acetic acid and sodium chloride in a laboratory test for the presence of blood. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Munich had already done significant work on the structure of hemin, the organic pigment in hemoglobin, when he synthesized it from simpler organic molecules in 1928."
• "Willstätter showed a structural relatedness between chlorophyll and hemin, and he demonstrated that chlorophyll contains magnesium as an integral component."
• "[45] Panta de lego ta ouk eph 'hemin, ta gar eph' hemin, ou hemin pronoias, alla tou hemeterou autexousiou."