The New Student's Reference Work/Alkaloids

Al'kaloids, a class of substances that occur in plants, some of which are very, and many are very valuable medicines. All of them are bases, that is, they unite with to form, and in many cases the salts are used medicinally. All alkaloids contain, and  and usually  also. Some of the most important alkaloids are theine of and, nicotine of , morphine from , quinine from Peruvian bark, as well as strychnine, atropine, cocaine etc.