supplements of evening primrose oil ( oenothera biennis ) , which contains at least 72 % linoleic ( 18:2n-6 ) and 7 % gamma-linolenic ( 18:3 n-6 ) acids ( expressed as % fatty acid methyl esters ) were given to sixteen cystic fibrosis patients for a period of 12 months .
C0700602
evening primrose oil
C0874067
oenothera biennis