You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Blood when stored at 4degC can be kept for and explain in detail?
When blood is stored at 2-6 degC, glycolysis is reduced but does not stop. Giycosis results in the production of lactate, with a subsequent decrease in pH. Whole blood collected in CPD has a pH7.20 on day 0 and 6.84 on day 21. Preservative solutions provide the buffering capability to minimize pH changes and optimize the storage period. Ref: Medscape