Definition of erucic acid in English:

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erucic acid

Pronunciation: /ɪˈruːsɪk/


[mass noun] Chemistry
A solid compound present in mustard and rape seeds.
  • An unsaturated fatty acid: chemical formula: C21H41COOH.
Example sentences
  • The original rapeseed oil, used as both a lubricant and an edible oil, was harmful when ingested because of high levels of a chemical called erucic acid.
  • The seed oil has a much reduced content of erucic acid, which is a long-chain fatty acid that is toxic to humans.
  • For both identified QTL, the results showed that the alleles associated with high erucic acid levels are derived from the Sollux parent.


Mid 19th century: erucic from Latin eruca 'rocket' (denoting the plant) + -ic.

For editors and proofreaders

Line breaks: eru¦cic acid

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