Table 3. Polar lipids composition of WPL as polar lipid-enriched fraction from whey serum (WPC60)

Sample	PS (%)	SM (%)	PC (%)	PE (%)	PI (%)	PL (%)
WPL (PL-enriched fraction)	1.36	10.74	14.56	10.08	1.82	38.56

WPC, whey protein concentrate; PS, phosphatidylserine; SM, sphingomyelin; PC, phosphatidylcholine; PE, phosphatidylethanolamine; PI, phosphatidylinositol; PL, phospholipid.