A simplified method to distinguish farmed (Salmo salar) from wild salmon: fatty acid ratios versus astaxanthin chiral isomers.
Megdal PA, Craft NA, Handelman GJ. A simplified method to distinguish farmed (Salmo salar) from wild salmon: fatty acid ratios versus astaxanthin chiral isomers. Lipids. 2009 Jun; 44(6):569-76.