Polysorbates are a series of partial fatty acid esters of sorbitol and its anhydrides copolymerized with approximately 20, 5, or 4 moles of ethylene oxide for each mole of sorbitol and its anhydrides
|Typical use level|
1 - 15%
|Benefits / Claims|
Good solvent and emulsifying capabilities for poorly water soluble drugs.
They have been found to be useful in improving the oral bioavailability of drug molecules that are substrate for P-glycoprotein.