In article <3nq443$qod at ilex.fernuni-hagen.de>, q4048342 at bonsai (Frank
>>I am looking for a source for n-7 fatty acids (20:3, 20:4).
>Does anyone know where i can get them?
>>thanx in advance
You could try producing some yourself by fungal fermentation. I suggest
you do a literature search on the organism Mortierella alpina.
For example, Li,Z.Y. et al Canadian J of Chem Eng, (73):135-139
1995 report prduction of 5.3 g/l arachidonic acid (20:43) from a
fermenter culture of the fungus.
Institute of Food Research