What is "malvalic acid"

n. (context organic compound English) The cyclopropene fatty acid ''7-(2-octyl-1-cyclopropenyl)heptanoic acid'' found in some seed oils, often with sterculic acid

Malvalic acid is a cyclopropenic fatty acid found in cottonseed oil. The cyclopropene ring is thought to be one of the causes of abnormalities that develop in animals that ingest cottonseed oil. This reactivity could be cause for concern depending on concentration. Hydrogenation of the oil destroys malvalic acid.