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any of several toxic bases formed by decarboxylation of an amino acid, often by bacterial action, such as cadaverine, muscarine, and putrescine.
ptomaine poisoning a term commonly misapplied to food poisoning. Contrary to popular belief, ptomaines are not injurious to the human digestive system, which is quite capable of reducing them to harmless substances.
Food poisoning, erroneously believed to be the result of ptomaine ingestion. Not in scientific use.
ptomaine poisoningA mistaken and now obsolete term for food poisoning. Ptomaines occur in decaying proteins but the poisoning is caused by bacteria.
any of an indefinite class of toxic bases, usually considered to be formed by the action of bacterial metabolism on proteins.
a term commonly misapplied to food poisoning. Contrary to popular belief, ptomaines are not injurious to the carnivorous or omnivorous digestive systems, which are quite capable of reducing them to harmless substances. Decomposed foods are often responsible for food poisoning, however, because they may harbor certain forms of poison-producing bacteria, especially Clostridium botulinum.