A colorless,foul - smelling ptomaine,NH2(CH2)4NH2,produced in decaying animal tissue by the decarboxylation of ornithine.

• 腐胺一种无色，恶臭的尸碱，NH2(CH2)4NH2，产生于腐烂的动物躯体中的鸟氨酸的脱羧作用