"Nicotinic" Quotes from Famous Books
 ... main alkaloid of coffee, trigonellin—the methylbetaine of nicotinic acid—sometimes known as caffearine, has been isolated from coffee.[132] This alkaloid, having the formula C14H16O4N2, is also found in fenugreek, Trigonella foenum-graecum, in various leguminous plants, and in the seeds of strophanthus. When pure it forms ...
— All About Coffee • William H. Ukers
... bromoform, carbon dioxide, nitrogen, and pyridine. When its alcoholic solution is treated with ferricyanide of potassium it is oxidized to dipyridine, C{10}H{10}N{2}. Potassium permanganate, chromic or nitric acid oxidises it to nicotinic acid, C{6}H{5}NO{2}, which is simply pyridine-carboxylic acid, C{5}H{4}N(COOH), and which, distilled over quick-lime, yields ...
— Scientific American Supplement, No. 415, December 15, 1883 • Various |
