Patent ID: 7723017

Claim:
A method for the storage of packed red blood cells comprising: adding an additive solution selected from the group consisting of AS-3, EAS61, OFAS1, OFAS3, and mixture thereof, wherein OFAS3 comprises the following concentrations of adenine having a range of from 0.5-4.0 mM, dextrose having a range of from 50-150 mM, mannitol having a range of from 20-70 mM, NaCl having a range of from 0-100 mM, NaH2PO4 having a range of from 2-20 mM, NH4Cl having a range of from 0-30 mM, pH having a range of 5.5-7.7 and mL added having range of from 100-300 mL, to said red blood cells, thereby forming a suspension of red blood cells; and storing said suspension of red blood cells under oxygen depleted storage; adding a metabolic supplement comprising pyruvate, inosine, adenine and optionally dibasic sodium phosphate and/or monobasic sodium phosphate at least once to said suspension of red blood cells, wherein said suspension of red blood cells are stored under refrigeration during said addition.