The change that takes place in the bodies of plants and animals after death, whereby they are ultimately reduced to carbonic acid gas, ammonia, and other simple substances. The change is almost entirely due to the action of bacteria, and, in the course of the process, various o?ensive and poisonous intermediate substances are formed. In the case of the human body, putrescine, cadaverine, and other alkaloids are among these intermediate products.... putrefaction
n. any of various substances produced in decaying foodstuffs and responsible for the unpleasant taste and smell of such foods. These compounds – which include putrescine, cadaverine, and neurine – were formerly thought to be responsible for food poisoning, but although they are often associated with toxic bacteria they themselves are harmless.... ptomaine