▁acid , ▁where ▁it ▁shows ▁ant ic arc in ogen ic ▁properties . ▁ ▁Its ▁s tere ois omer , ▁c is - v acc en ic ▁acid , ▁is ▁an ▁om ega - 7 ▁fat ty ▁acid , ▁is ▁found ▁in ▁Sea ▁Buck th orn ▁( H ipp op ha e ▁r ham no ides ) ▁oil . ▁ ▁Its ▁I UP AC ▁name ▁is ▁( 1 1 Z )- 1 1 - oct ade c eno ic ▁acid , ▁and ▁its ▁li pid ▁sh orth and ▁name ▁is ▁ 1 8 : 1 ▁c is - 1 1 . ▁ ▁Health ▁V acc en ic ▁acid ▁is ▁also ▁found ▁in ▁human ▁orbit of ront al ▁cor tex ▁of ▁patients ▁with ▁b ip olar ▁dis order ▁and ▁sch iz op hren ia . ▁ ▁Al kal ine ▁ph osph at ase ▁in hib ited ▁ 2 5 % ▁by ▁v acc en ic ▁acid ▁in ▁o ste ob last s . ▁ ▁Ox id ation ▁of ▁om ega - 7 ▁uns atur ated ▁fat ty ▁ac ids ▁on ▁the ▁skin ▁surface , ▁such ▁as ▁pal mit ole ic ▁acid ▁and ▁v acc en ic ▁acid , ▁may ▁be ▁the ▁cause ▁of ▁the ▁phenomen on ▁commonly ▁known ▁as ▁old ▁person ▁sm ell . ▁ ▁When ▁fed ▁v acc en ic ▁acid ▁over ▁ 1 6 ▁weeks , ▁r ats ▁exhib ited ▁in ▁lower ed ▁total ▁ch ol ester ol , ▁lower ed ▁L DL ▁ch ol ester ol ▁and ▁lower ▁trig ly cer