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Ophiopogonis Radix  is normally used as a traditional medicine and healthy food in China. Thin-layer chromatography (TLC), total saponin content analysis, high-performance liquid chromatographic (HPLC) fingerprinting, ultra-high-performance liquid chromatographic (UHPLC) tandem mass (MS) spectra and multivariate statistical analyses were used to analyze differences in quality of  Ophiopogonis Radix  from three main producing areas in China. The TLC spots of samples obtained from Zhejiang were clearer and darker than samples from Sichuan and Shandong. Additionally, HPLC fingerprinting analysis of 14 common peaks of the  Ophiopogonis Radix  samples indicated that the similarities of the 15 batches of samples were between 0.94 and 0.99. Finally, UPLC-Orbitrap MS analysis was used to identify the 13 common peaks of  Ophiopogonis Radix . These results showed that  Ophiopogonis Radix  obtained from different regions can be distinguished well using a combination of analytical techniques, based on differences in their chemical components. The combination of these techniques allows comprehensive and reliable quality evaluation of  Ophiopogonis Radix . This study provides references for determining the quality of  Ophiopogonis Radix  obtained from different regions, which will guide its use as medicine or food.

Characterization of quality differences of Ophiopogonis Radix from different origins by TLC, HPLC, UHPLC-MS and multivariate statistical analyses