Because of a lapse in government funding, the information on this website may not be up to date, transactions submitted via the website may not be processed, and the agency may not be able to respond to inquiries until appropriations are enacted. The NIH Clinical Center (the research hospital of NIH) is open. For more details about its operating status, please visit cc.nih.gov. Updates regarding government operating status and resumption of normal operations can be found at opm.gov.

NLM Logo

Pyrrolizidine Alkaloids MeSH Descriptor Data 2025


MeSH Heading
Pyrrolizidine Alkaloids
Tree Number(s)
D03.132.716
D03.633.100.772
Unique ID
D011763
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D011763
Scope Note
A group of ALKALOIDS, characterized by a nitrogen-containing necine, occurring mainly in plants of the BORAGINACEAE; COMPOSITAE; and LEGUMINOSAE plant families. They can be activated in the liver by hydrolysis of the ester and desaturation of the necine base to reactive electrophilic pyrrolic CYTOTOXINS.
Entry Term(s)
Pyrrolizidine Alkaloid
Senecio Alkaloid
Senecio Alkaloids
Registry Numbers
0
Previous Indexing
Alkaloids (1966-1970)
Heterocyclic Compounds (1966-1970)
Public MeSH Note
73
History Note
73(71)
Date Established
1973/01/01
Date of Entry
1999/01/01
Revision Date
2020/05/27
Pyrrolizidine Alkaloids Preferred
Senecio Alkaloids Related
page delivered in 0.177s