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The UPLC/MS/MS chromaotograms for phenylethanoid glycosides (1–3). (a) hippocampus samples from Alzheimer’s disease (AD)-like rats after Cistanche tubulosa aqueous extract (CTE) oral administration (200 mg/kg, p.o.) [1 (tR = 4.19 min), 2 (tR = 5.12 min) and 3 (tR = 5.69 min)]. (b) Striatum sample from AD-like rats after CTE oral administration (200 mg/kg, p.o.) [1 (tR = 4.19 min), 2 (tR = 5.13 min) and 3 (tR = 5.68 min)]. (c) Blank brain tissue.
