hematin /he·ma·tin/ (he´mah-tin)
Hematin
hematin [he´mah-tin]
1. the hydroxide of heme; it stimulates the synthesis of globin, inhibits the synthesis of porphyrin, and is a component of cytochromes and peroxidases; it is also used as a reagent.
2. hemin (1).
he·ma·tin (h  m -t n)n. A blue to blackish-brown compound formed in the oxidation of hemoglobin and containing ferric iron. Also called ferriheme, oxyheme, oxyhemochromogen. |
Hematin
A drug administered intravenously to halt an acute porphyria attack. It causes heme biosynthesis to decrease, preventing the further accumulation of heme precursors.
Mentioned in: Porphyrias
hematin [he´mah-tin]
1. the hydroxide of heme; it stimulates the synthesis of globin, inhibits the synthesis of porphyrin, and is a component of cytochromes and peroxidases; it is also used as a reagent.
2. hemin (def. 1).
hematin
a compound formed by the oxidation of heme from the ferrous Fe(II) to the ferric Fe(III) state; it does not combine with oxygen.
hematin methods
basic method of estimating hemoglobin content of blood by converting it to acid hematin and doing a colorimetric estimation. See also hemoglobinometer.
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