Species discrimination of multiple botanical origins of Fritillaria species based on infrared spectroscopy, thin layer chromatography-image analysis and untargeted metabolomics

Yaling An, Yun Li, Wenlong Wei, Zhenwei Li, Jianqing Zhang, Changliang Yao, Jiayuan Li, Qirui Bi, Hua Qu, Huiqin Pan, Heng Zhou, Ji Shen, De‐an Guo