Quantitative analysis combined with chromatographic fingerprint for comprehensive evaluation of Danhong injection using HPLC-DAD

► We established a method for both quantitative and qualitative analysis of Danhong injection. ► More comprehensive by using four algorithms in similarity evaluation of Danhong injection. ► Adopt a new parameter to reflect the consistency between batches to batches. ► Principal component analysis was applied to investigate the differentiation between samples.