aurin
(redirected from Rosolic acid)Also found in: Dictionary, Encyclopedia.
au·rin
(aw'rin),A triphenylmethane derivative used as an indicator (changes from yellow to red at pH 6.8-8.2) and as a dye intermediate; also used to help differentiate tubercle bacilli from other acid-fast microorganisms.
Synonym(s): corallin, p-rosolic acid