A test of donated blood showed that it can be "

Scientists from the United States representing Oregon State University have found that donated blood used for transfusion can contain a rich set of impurities, including caffeine and various medications.. This happened after the researchers checked 18 batches of purified plasma of human blood, which was purchased from a supplier of biomedical drugs, and, in turn, was transferred to him from a blood bank due to expiration, the Vesti portal said.. Medicine.

Scientists needed blood to test a new method for studying the interaction between herbal dietary supplements and drugs. Working with her, experts found that a lot of foreign substances are present in the blood.

“100% of the blood serum samples intended for transfusion contained caffeine, 72% traces of alprazolam, an anxiolytic used to treat anxiety disorders and panic attacks. Many blood samples (44%) contained dextromethorphan, the active ingredient of over-the-counter cough medicines, ”the researchers said..

According to Luing Chen, a graduate student at the University of Oregon, caffeine as an impurity is harmless enough. But drugs that are contained in donated blood can be a problem for patients, because they can affect the metabolism of enzymes and other medicines, if used. All this in the end can lead to various complications, experts say..

Scientists urge blood donors not to take medicine or drink coffee before donating.

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