. "Reviewed: D'Eustachio, P, 2009-12-11"^^ . "Edited: Jupe, S, 2010-03-01"^^ . "Authored: Jupe, S, 2009-10-19"^^ . "Free fatty acid receptor 1 (FFAR1/GPR40) is activated by many medium-length fatty acids. In recombinant assays the most potent saturated fatty acids had carbon chain lengths of 15-16; the most potent unsaturated fatty acid tested was 5,8,11-Eicosatriynoic Acid (C20)."^^ . . . . . . "Receptor FFAR1 binds free fatty acids"^^ . . . .