This word is acceptable for play in the UK dictionary that is being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Of, pertaining to, or derived from plants of the genus Eruca

adj. Pertaining to, or derived from, a genus of cruciferous Mediterranean herbs (Eruca or Brassica)

Noting an acid, a colorless compound, C22H42O2, contained, in combination with glycerol, in white and black mustard-seed oil. It crystallizes in long slender needles, melts at 33–34° C., and is readily converted into the isomeric brassidic acid.

"In much of the West, the sale of mustard oil for food use is illegal, for two reasons: it contains large quantities of an unusual fatty acid, erucic acid; and it contains irritating isothiocyanates."

erucic acid   

a-linolenic    margaric    linolenic    lauric    muskmelon    ferulic    docosahexaenoic    hypochlorous    phenylacetic