Matrix-assisted laser desorption/ionization mass spectrometry imaging analysis revealed the spatial distribution of metabolites during Ziziphi Spinosae Semen at different growth periods - Zhao, Mengwei; Liu, Zhao; Wang, Jiemin; Liu, Yuting; Yan, Yuping; Liu, Ning; Jiang, Jianming; Song, Yongxing; Sun, Huigai; Ma, Donglai (Frontiers in Plant Science, 2025)