What is the concentration of ECGS contained in Endothelial Cell Growth Media/Preadipocyte Growth Media?

At manufacture, ECGS is adjusted to a protein content of 3 mg/ml. For Human Endothelial Cells and Microvascular Endothelial Cells the optimal concentration of ECGS is 2 ml/500 ml medium, corresponding to 6 mg extracted protein/500 ml medium. ECGS/H is additionally supplemented with 22.5 mg/ml heparin, corresponding to a final concentration of 45 mg heparin/500 ml medium.