Pertaining to, or derived from, a genus of cruciferous Mediterranean herbs (Eruca or Brassica); as, erucic acid, a fatty acid resembling oleic acid, and found in colza oil, mustard oil, etc
A long chain unsaturated fatty acid, CH3(CH2)7CH=CH(CH2)11COOH, found in rapeseed and mustard seed oils; the cis- isomer is erucic acid, the trans- isomer is brassidic acid