Radicinol is a natural compound derived from the root of Angelica pubescens. However, during its production, it may contain impurities that affect its purity and quality. Radicinol impurities may include residual solvents, heavy metals, and other organic compounds that can pose health risks if present in high amounts. Therefore, it is essential to monitor and control the impurities during the production process to ensure the safety and efficacy of the final product.