| aurin | <chemistry> A red colouring matter derived from phenol; called also, in commerce, yellow coralin. Origin: L. Aurum gold. Source: Websters Dictionary (01 Mar 1998) |
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| aurintricarboxylic acid | <chemical> 5-((3-carboxy-4-hydroxyphenyl)(3-carboxy-4-oxo-2,5-cyclohexadien-1-ylidene)methyl)-2-hydroxybenzoic acid. A dye which inhibits protein biosynthesis at the initial stages. The ammonium salt (aluminon) is a reagent for the colourimetric estimation of aluminum in water, foods, and tissues. Chemical name: Benzoic acid, 5-((3-carboxy-4-hydroxyphenyl)(3-carboxy-4-oxo-2,5-cyclohexadien-1-ylidene)methyl)-2-hydroxy- (12 Dec 1998) |