Organ preservation solution consisting of: a tissue culture medium selected from Minimal Essential Medium Eagle, Dulbecco's Modified Eagle Media (DMEM), RPMI 1640 Media, DMEM/F-12 Media, Hams F-10, Hams F12, Iscove's Modified Dulbecco's Medium, Leibovitz's 5 L- 15 Media and Minimum Essential media with Earle's Salts and Williams E medium, which tissue culture medium has been modified for use as an organ perfusion solution, so that: a. the pH is within the range of 7 to 7.8; b. the minimum buffering capacity (Beta) is at least 20 as measured in Slykes units; c. the osmolarity is between 300 to 350; d. the oncotic pressure is between 20 to 30 mmHg; e. the [Na +] concentration is less than 140 mM, the [K +] concentration is less than 25 mM, and the ratio [Na +]/[K +] is at least 5:1; f. the concentrations of arginine, asparagine, cystine, histidine, glutamine, methionine, phenylalanine, proline, serine and tryptophan are higher than the standard concentrations in Williams E media; g. PEG of a molecular weight of 25,000 to 50,000 is present in an amount in the range of 10 to 50 g/L; h. HEPES is present at a concentration in the range of 1000 to 10000 mg/L; i. raffinose and trehalose are present at concentrations in the range of 1000 to 5000 mg/L; j. glutathione is present at a concentration in the range of 0.7 to 1.8 g/L; k. Vitamin E is present at a concentration in the range of 0.00001 to 0.001 g/L; l. ascorbic acid is present at a concentration in the range of 0.01 to 0.1 g/L; and m. selenium is present at a concentration in the range of 0.00001 to 0.001 g/L. a tissue culture medium selected from Minimal Essential Medium Eagle, Dulbecco's Modified Eagle Media (DMEM), RPMI 1640 Media, DMEM/F-12 Media, Hams F-10, Hams F12, Iscove's Modified Dulbecco's Medium, Leibovitz's 5 L- 15 Media and Minimum Essential media with Earle's Salts and Williams E medium, which tissue culture medium has been modified for use as an organ perfusion solution, so that: a. the pH is within the range of 7 to 7.8; b. the minimum buffering capacity (Beta) is at least 20 as measured in Slykes units; c. the osmolarity is between 300 to 350; d. the oncotic pressure is between 20 to 30 mmHg; e. the [Na +] concentration is less than 140 mM, the [K +] concentration is less than 25 mM, and the ratio [Na +]/[K +] is at least 5:1; f. the concentrations of arginine, asparagine, cystine, histidine, glutamine, methionine, phenylalanine, proline, serine and tryptophan are higher than the standard concentrations in Williams E media; g. PEG of a molecular weight of 25,000 to 50,000 is present in an amount in the range of 10 to 50 g/L; h. HEPES is present at a concentration in the range of 1000 to 10000 mg/L; i. raffinose and trehalose are present at concentrations in the range of 1000 to 5000 mg/L; j. glutathione is present at a concentration in the range of 0.7 to 1.8 g/L; k. Vitamin E is present at a concentration in the range of 0.00001 to 0.001 g/L; l. ascorbic acid is present at a concentration in the range of 0.01 to 0.1 g/L; and m. selenium is present at a concentration in the range of 0.00001 to 0.001 g/L. a. the pH is within the range of 7 to 7.8; b. the minimum buffering capacity (Beta) is at least 20 as measured in Slykes units; c. the osmolarity is between 300 to 350; d. the oncotic pressure is between 20 to 30 mmHg; e. the [Na +] concentration is less than 140 mM, the [K +] concentration is less than 25 mM, and the ratio [Na +]/[K +] is at least 5:1; f. the concentrations of arginine, asparagine, cystine, histidine, glutamine, methionine, phenylalanine, proline, serine and tryptophan are higher than the standard concentrations in Williams E media; g. PEG of a molecular weight of 25,000 to 50,000 is present in an amount in the range of 10 to 50 g/L; h. HEPES is present at a concentration in the range of 1000 to 10000 mg/L; i. raffinose and trehalose are present at concentrations in the range of 1000 to 5000 mg/L; j. glutathione is present at a concentration in the range of 0.7 to 1.8 g/L; k. Vitamin E is present at a concentration in the range of 0.00001 to 0.001 g/L; l. ascorbic acid is present at a concentration in the range of 0.01 to 0.1 g/L; and m. selenium is present at a concentration in the range of 0.00001 to 0.001 g/L.