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purpurin

Pronunciation: pur'pu-rin

Definition: A violet stain related to alizarin by addition of a 4-OH group to alizarin; found in madder root and other members of the Rubiaceae; used to detect calcium salts, boron, and as a histologic stain.

Synonym(s): uroerythrin

Synonym(s): alizarin purpurin

Further information

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

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