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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
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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