Definition of Purpurin

1. n. A dyestuff resembling alizarin, found in madder root, and extracted as an orange or red crystalline substance.



Definition of Purpurin

1. Noun. A red anthraquinone dye, extracted from madder, that is used as a biological stain ¹

2. Noun. (biochemistry) A protein of the lipocalin family ¹

3. Noun. A brownish or deep red decorative glass used in ancient times ¹

¹ Source: wiktionary.com

Definition of Purpurin

1. a reddish dye [n -S]

Lexicographical Neighbors of Purpurin

purprise
purprises
purpura
purpura hemorrhagica
purpuras
purpurate
purpurates
purpure
purpureal
purpureo-
purpureocobalt
purpureocobaltic
purpures
purpuric
purpuric acid
purpurin (current term)
purpurine
purpurins
purpurite
purpurogenous
purpuroxanthin
purpy
purr
purre
purred
purree
purrer
purrers
purres
purring

Literary usage of Purpurin

Below you will find example usage of this term as found in modern and/or classical literature:

1. A Dictionary of Applied Chemistry by Thomas Edward Thorpe (1921)
"purpurin crystallises from dilute alcohol in long orange-coloured needles, ... purpurin also dissolves readily in ether, carbon disulphide, benzene, ..."

2. A Dictionary of Chemistry and the Allied Branches of Other Sciences by Henry Watts (1871)
"A product formed by the action of ammonia on purpurin. A recently prepared solution of purpurin in ammonia deposit« purpurin unaltered on addition of ..."

3. The Microtomist's Vade-mecum: A Handbook of the Methods of Microscopic Anatomy by Arthur Bolles Lee (1885)
"purpurin. *—purpurin was first introduced to histo- logical practice by Ranvier, who found in it an important aid to the study of cartilage. ..."

4. Hand-book of Chemistry by Leopold Gmelin, Henry Watts (1859)
"Alizarin is converted into purpurin iu the fermentation of madder. (Wolff & Strecker.) When alizarin is treated with aqueous chlorine, it seems to undergo ..."

5. Elements of Chemistry: Theoretical and Practical by William Allen Miller (1880)
"The crude purpurin prepared by Kopp's method contains a considerable quantity ... This substance is readily decomposed into purpurin and carbonic anhydride ..."

6. Allen's Commercial Organic Analysis: A Treatise on the Properties, Modes of by Alfred Henry Allen (1911)
"On strongly acidifying a solution of purpurin in an alkali with hydrochloric acid, purpurin hydrate is thrown down. The artificial purpurin paste probably ..."

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