Designating a foreign and usually harmful substance or organism in a biological system. Xenobiotic, derived from the Greek root xeno, meaning "stranger" or "foreign," and bio, meaning "life," describes some...

An adjective used to describe a chemical that is alien to a particular biological...

Those compounds which do not occur...

A xenobiotic is a chemical which is found in an organism but which is not normally produced or expected to be present in it. It can also cover substances which are present in much higher concentrations than are usual. Specifically, drugs such as...

During recent years there have been several incidents in which symptoms of disease have been linked to consumption of food contaminated by chemical substances (e.g., 2,3,7,8-tetrachlorodibenzo-p-dioxin, TCDD). Furthermore, outbreaks of infections in food-producing animals have attracted major attention regarding the safety of consumers, e.g.,...

Expanded Abstract Xenobiotic metabolism-the double-edged sword It has been two decades since Wattenberg's seminal review on the chemoprevention of cancer, cited over 900 times according to the ISI Web of Knowledge(SM), subdivided cancer inhibitory agents into 3 broad categories (1). The classification...