Eine colorimetrische Methode zur Bestimmung von Nicotinsäure und Nicotinsäureamid in Nahrungsmitteln

Abstract
Nicotinic acid in food materials was detd. colorimetrically by a treatment with bromcyanide and aniline. The reaction was influenced by the pH of the soln. and by the presence of chlorides. Starch, sugar or gelatine did not interfere with the detn.