Defined Cell Culture Media 31 is a cell culture mixture consisting of: Alanine, Arginine HCl, Asparagine, Aspartic Acid, Biotin, Calcium Pantothenate, Cyanocobalamin, Folic Acid, Glucose, Glutamic Acid , Glycine, Hexanediol, Histidine HCl, Inositol, Isoleucine, Leucine, Lysine HCl, Methionine, Niacinamide, Phenylalanine, Potassium Chloride, Proline, Pyridoxine HCl, Riboflavin, Serine, Sodium Chloride, Sodium Pyruvate, Thiamine HCl, Threonine, Tryptophan, Valine.