Displaying 10 results of Quinine Impurities Quinine is a naturally occurring alkaloid used in the treatment of malaria. However, its purity and quality can be compromised by the presence of impurities. These impurities can arise from various sources such as the raw material used in its production or the manufacturing process. They can affect the efficacy and safety of the drug and can also cause adverse effects on patients. Therefore, it is essential to monitor and control the levels of quinine impurities to ensure its quality and safety.