hematin

hematin
- h. chloride SYN: hemin.
- reduced h. SYN: heme.

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he·ma·tin or chiefly Brit hae·ma·tin 'hē-mət-ən n
1) a brownish black or bluish black derivative C34H33N4O5Fe of oxidized heme containing iron with a valence of three also any of several similar compounds
2) HEME

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he·ma·tin (heґmə-tin) 1. a porphyrin chelate of iron (III) formed by the oxidation of free heme; the hydroxide of heme. It stimulates the synthesis of globin and inhibits the synthesis of porphyrin by inactivation of 5-aminolevulinate synthase and is a component of the cytochromes and peroxidases. Hematin derived synthetically from hemin is used as a reagent. 2. hemin (def. 1).

Medical dictionary. 2011.

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  • Hematin — Hem a*tin, n. [Gr. a i^ma, a i matos, blood.] 1. Hematoxylin. [1913 Webster] 2. (Physiol. Chem.) A bluish black, amorphous substance containing iron and obtained from blood. It exists the red blood corpuscles united with globulin, and the form of …   The Collaborative International Dictionary of English

  • hematin — hemàtīn m <G hematína> DEFINICIJA kem. od hemoglobina dobiveno plavocrno bojilo, netopljivo u vodi, ali lako topljivo u alkalijama; boja krvi ETIMOLOGIJA grč. haimátinos: krvav ≃ hemat (o) + v. {{(glob)in>> …   Hrvatski jezični portal

  • hematin — [hem′ə tin, hē′mətin] n. [ HEMAT(O) + IN1] a dark brown or blackish hydroxide of heme, C34H32N4O4·FeOH, obtained by the decomposition of hemoglobin …   English World dictionary

  • hematin — Haematoxylin H[ae]m a*tox y*lin ( t[o^]ks [i^]*l[i^]n), n. [See {H[ae]matoxylon}.] (Chem.) The coloring principle of logwood. It is obtained as a yellow crystalline substance, {C16H14O6}, with a sweetish taste. Formerly called also {hematin}.… …   The Collaborative International Dictionary of English

  • hematin — hematinas statusas T sritis chemija apibrėžtis Hemo oksidacijos produktas, turintis Fe(III). atitikmenys: angl. hematin rus. гематин …   Chemijos terminų aiškinamasis žodynas

  • hematin — noun Date: 1845 a brownish black or bluish black derivative C34H33N4O5Fe of oxidized heme; also any of several similar compounds …   New Collegiate Dictionary

  • hematin — /hee meuh tin, hem euh /, n. 1. Biochem. heme. 2. (loosely) hematein. Also, hematine /hee meuh teen , tin, hem euh /. [1810 20; HEMAT + IN2] * * * …   Universalium

  • hematin — noun a) Hemoglobin with iron in ferric state. b) Hemin …   Wiktionary

  • hematin — n. pigment derived from oxidized hemoglobin …   English contemporary dictionary

  • hematin — hem·a·tin …   English syllables

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