brazilin


brazilin
A red natural dye, C16H14O5, obtained from the bark of several species of tropical trees and oxidized to the active red dye brazilein; resembles hematoxylin in origin, chemistry, and usage; used as a nuclear stain and as an indicator (red in alkalies, yellow in acids).

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bra·zil·in (brə-zilґin) a yellow crystalline substance obtained from the bark of Biancea sappan and other redwood trees; it is very similar to hematoxylin and oxidizes to a bright red dye, brazilein.

Medical dictionary. 2011.

Look at other dictionaries:

  • Brazilin — IUPAC name (6aS,11bR) 7,11b Dihydro 6H indeno[2,1 c]chromene 3,6a,9,10 tetrol …   Wikipedia

  • Brazilin — Braz i*lin, n. [Cf. F. br[ e]siline. See {Brazil}.] (Chem.) A substance contained in both Brazil wood and Sapan wood, from which it is extracted as a yellow crystalline substance which is white when pure. It is colored intensely red by alkalies.… …   The Collaborative International Dictionary of English

  • brazilin — brazìlīn m <G brazilína> DEFINICIJA 1. bot., v. sezalpinija 2. kem. C16H14O5, biljna boja, žućkasti kristali koji na zraku postaju narančasti, upotrebljava se za bojenje tekstila, drva i mikroskopskih preparata ETIMOLOGIJA prema brazilskom… …   Hrvatski jezični portal

  • brazilin — [braz′ə lin΄, brə zil′in] n. [ BRAZIL + IN1] a bright yellow compound, C16H14O5, obtained from brazilwood as a crystalline powder and used as a dye and indicator …   English World dictionary

  • brazilin — /braz euh lin, breuh zil in/, n. Chem. a yellow, water soluble, needlelike, crystalline solid, C16H14O5, obtained from brazil and sappanwood: used as a dye and an indicator. Also, brasilin. [1860 65; BRAZIL + IN2] * * * …   Universalium

  • brazilin — noun A red pigment obtained from brazilwood …   Wiktionary

  • brazilin — braz·i·lin …   English syllables

  • brazilin — /ˈbræzələn/ (say brazuhluhn) noun a yellow substance, C16H14O5, from brazil, used as a dye and indicator. Also, brasilin …   Australian English dictionary

  • brazilin — …   Useful english dictionary

  • brezilin — Brazilin Braz i*lin, n. [Cf. F. br[ e]siline. See {Brazil}.] (Chem.) A substance contained in both Brazil wood and Sapan wood, from which it is extracted as a yellow crystalline substance which is white when pure. It is colored intensely red by… …   The Collaborative International Dictionary of English


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