PEG400, 100mL*5

PEG400b (Polyethylene glycol 400) is a commonly used co-solvent used in a variety of pharmaceutical formulations. It acts as a good solubilizer and surfactant and has the potential to improve the bioavailability of drugs. PEG400 significantly accelerates the metabolism of baicalein and increases the penetration of BG and B6G in Caco‐2 cells.