Quantitative determination of multiple components in Herba Epimedii using a single reference standard: a comparison of two methods†
Abstract
Multi-component analysis has gained significant attention in the quality control of Traditional Chinese Medicines. However the high cost of reference standards and their limited availability have posed major challenges. Practical solutions to these problems include use of a single reference standard contained in the analyte as an internal standard. In the first part of this study, using Herba Epimedii as an example, we selected