What is LD50

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Area of ‚Äč‚ÄčExpertise - toxicology

LD50 is an abbreviation for Lethal Dose 50%. The LD50 provides information about the toxicity of a substance and describes the dose at which 50% of the test animals die after application. Common unit of the LD50 is mg / kg body weight (mg per kg body weight). The animal species with which the test was carried out and the type of application of the test substance, e.g. intravenously or orally, are also given.

Learning units in which the term is dealt with

Toxicodynamics - Basics of Toxic Effects60 min.

chemistrytoxicologyToxin metabolism

This learning unit is an introduction to the classification of pollutants. The toxic effects of a foreign substance are determined by numerous factors, some of which are explained here. At the end of this learning unit, the basics of receptor theory are presented.

Animal poisons60 min.


Structure and effects of the most important animal poisons and their producers. Structural and functional similarities. Applications in pharmacy and medicine.

Natural toxins60 min.


What types of natural toxins are there, what parameters are important when assessing these toxins?