Online Encyclopedia

ALIZARIN, or I

Online Encyclopedia
Originally appearing in Volume V01, Page 673 of the 1911 Encyclopedia Britannica.
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ALIZARIN, or I.2 DIOXYANTHRAQUINONE, C6H4000>C6H2(OH)2[I.2], a vegetable dyestuff formerly prepared from madder root (Rubia tinctorum) which contains a glucoside ruberythric acid (C26H33O14). This glucoside is readily hydrolysed by acids or ferments,breaking up into alizarin and glucose:
End of Article: ALIZARIN, or I
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