| 摘要 |
PROBLEM TO BE SOLVED: To obtain a cell protecting liquid stable for a long period of time, giving less damage to cells and organs and having a good taking rate by addingβ-hydroxylactic acid in a specific concentration to an electrolyte solution containing sodium ion, potassium ion and phosphate ion. SOLUTION: This cell protecting liquid is obtained by adding 0.2-5 mmol/Lβ-hydroxylactic acid to an electrolyte solution containing sodium ion, potassium ion and phosphate ion. Preferably, the liquid is at pH 6.5-9.0, shows 250-400 mOsm osmotic pressure and 1.5-5 cp viscosity, and contains an organic acid (ion) and/or carbonic acid (ion), 2-10% hydroxyethyl starch having 150,000-900,000, preferably 400,000-900,000 average molecular weight. Also, the ratio of potassium ion to sodium ion is preferably 0.3-10, more preferably 0.3-0.8.
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