Verfahren zur Herstellung von Monoazofarbstoffen

摘要

1,224,513. Colouring. ALLIED CHEMICAL CORP. 16 Oct., 1968 [20 Oct., 1967], No. 49171/68. Heading A2B. [Also in Divisions C3 and C4] Edible dyestuffs of the formula (wherein x is 0, 1, 2, 3, 4 or 5 and M1, M2 and M3 are H, ammonium or a physiologically acceptable metal cation) are used to colour edible substrates red. The colouring of cherries is exemplified, and reference is also made to colouring fruits in general, sugar patties, hard candies, gelatine desserts and cake and biscuit mixes.