The use of coal tar colors in food products (1904)
Lieber, Hugo. [from old catalog] · New York, H. Leieber & co · leaf 99
AZO COLORS. 95 /?-Naphthol orange, as shown by experiment I, is, even in small doses, poisonous through the stomach, and brought about the death of a medium sized dog; as specific may be considered the experiment with the rabbit (II). In contrast to /^-Naphthol orange, Cazeneuve and Lepine found… … HSO3 which varies from y^-Naphthol orange only through the position of the Hydroxy 1 group to be non-poisonous. Even in hypodermic injections the ^ coloring matter seems to produce poisonous effects. The animal, how- ever, withstood the attack. 6. Ponceau 1^ G, B, CieHiiNASNa. Synonyms — Crocein…
Coal-tar colors, Physiological effect of · Food adulteration
Internet Archive · The Library of Congress · Public domain (published before 1931). Free to use for anything.
