According to the manufacturer’s specification the fatty acids of the two acyl groups of phosphatidylcholine within the used lecithin types are listed in
Phosphatidylcholine standards of 1,2-dilinoleoyl-sn-glycero-3-phosphocholine (18:2–18:2 PC, DLPC), 1-palmitoyl-2-linoleoyl-sn-glycero-3-phosphocholine (16:0–18:2 PC, PLPC), 1-palmitoyl-2-stearoyl-sn-glycero-3-phosphocholine (16:0−18:0 PC, PSPC) and 1,2-dipalmitoyl-sn-glycero-3-phosphocholine (16:0–16:0 PC, DPPC) were purchased from Avanti Polar Lipids (Alabama, US). Phosphatidylcholine standards 1-palmitoyl-2-oleoyl-glycero-3-phosphocholine (16:0–18:1 PC, POPC), 1,2-dioleoyl-sn-glycero-3-phosphocholine (18:1–18:1 PC, DOPC) and 1,2-distearoyl-sn-glycero-3-phosphocholine (18:0–18:0 PC, DSPC) were supplied from Lipoid GmbH (Ludwigshafen, Germany).