In-depth exploration and comparison of chemical constituents from two Lilium species through offline two-dimensional liquid chromatography combined with multimode acquisition of high-resolution mass spectrometry

Lilium lancifolium and Lilium brownii viridulum were two common cultivars of Lilium in China, which have been used as a source of food in ancient China, and as a traditional herbal medicine in most northern hemispheres countries continues today. However, only a few secondary metabolites in Lilium closely related to human health have been reported. In this research, an offline two-dimensional (HILIC and RP C18) separation system combined with multimode high-resolution mass spectrometry data acquisition was established for in-depth exploration and comparison of the chemical components in Lilium. In total, 331 components were identified, among which phenylpropanoid derivatives and steroidal saponins were the most abundant components. Furthermore, sulfur derivatives and steroidal alkaloids were systematically characterized in Lilium for the first time. These results provided valuable information for in-depth differentiating types of components characterization, which may be applied to assess and improve the edible and medicinal values of Lilium.(c) 2022 Published by Elsevier B.V.

Automated summary

This study established an offline two-dimensional separation system combined with high-resolution mass spectrometry data acquisition for in-depth exploration and comparison of chemical components in Lilium. A total of 331 components were identified, with phenylpropanoid derivatives and steroidal saponins being the most abundant. Furthermore, sulfur derivatives and steroidal alkaloids were characterized in Lilium for the first time, providing valuable information for differentiating types of components and enhancing the edible and medicinal values of Lilium.