Preservation used for storing blood for transfusion is
High-Yield Explanation
citrate phosphate dextrose (CPD) a solution containing citric acid, sodium citrate, monobasic sodium phosphate, and dextrose that is the primary anticoagulant used for preservation of whole blood or red blood cells for up to 21 days Ref: guyton and hall textbook of medical physiology 12 edition page number:146,147,148