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aurin

Pronunciation: aw′rin

Definition: 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

Further information

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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