Table 4.

Solid-phase extraction (SFE) of lipid classes.

Sample	Desired Lipid Class	Sorbent	Separation Principle	Reference
Clam (Corbicula fluminea)	Phospholipids	Titania-coated fibrous silica (TiO2/KCC-1)	Hydrophilic interaction	[103]
Extra virgin olive oil	Phospholipids	Weak anionic exchange phase containing charged piperazine units, or graphitized carbon black	Ionic and lipophilic interactions	[104]
French fries	Monounsaturated fatty acid methyl esters	Silver (Ag) nanoparticles-coated monolithic	Ag+-like affinity interaction	[105]
Human breast milk	Phospholipids and glycerolipids	Mixture of C18 and zirconia-coated silica gel	Hydrophobic and Lewis acid/base interaction	[106]
Hypophthalmichthys nobilis	Phospholipids	Sulfobetaine (3-(trimethylammonio)propane-1-sulfonate)	Zwitterionic hydrophilic interaction	[107]
Milk powder-based products	Oxysterols	C18 silica	Hydrophilic interaction	[108]