ABSTRACT:
Plants and their parts as naturally contain huge number of biologically active chemicals. From these biologically found chemicals some have been traced out for very much useful for treating different human and animal diseases (eg. Digitoxin, Colchines and Atropine). Although some chemical constituents of plants produces adverse health effects. The chemical substances present in plants are quite different in nature. There are a huge number of different categories of toxicologically considerable plant chemical constituents. Some of the reported plants may also be used as therapeutic purposes also. Among these thousand numbers of plants present in the environment, few are only reported to cause acute, life threatening when ingested orally or by other means. These constituents include alkaloids, proteins, glycosides and resins. The present article focuses on collecting the facts regarding poisonous plants, toxic constituents and their chemical tests for Forensic examinations. The article describes about the various poisonous chemical constituents of the plants. Scattered literature and in depth knowledge of the plants chemical constituents, analysis methods of poisonous chemical constituents have been collected from different sources to make this review useful to all specialists of different disciplines. In this effort commonly used poisonous plants are included with their chemical constituents which are used as weapon of crime.