Chromatographic fingerprint coupled with hierarchical clustering analysis and principal component analysis for quality evaluation and original discrimination of rhizomes of Helleborus thibetanus Franch by HPLC-DAD

Quantitative analysis and chromatographi

Quantitative analysis and chromatographic fingerprinting for the quality evaluation of Forsythia suspensa extract by HPLC coupled with photodiode array detector

✍ Yonggang Xia; Bingyou Yang; Qiuhong Wang; Jun Liang; Youhe Wei; Hedan Yu; Qingbo 📂 Article 📅 2009 🏛 John Wiley and Sons 🌐 English ⚖ 477 KB

A simple and reproducible HPLC-photodiode array detector method has been described for evaluating and controlling quality of Forsythia suspensa extract (FSE). First, by analysis of chromatographic fingerprints, the similarities of chromatograms of FSE samples from the same pharmaceutical company exc