Research Article

Herb-Drug Interaction: Application of a UPLC-MS/MS Method to Determine the Effect of Polygonum capitatum Extract on the Tissue Distribution and Excretion of Levofloxacin in Rats

Table 1

Mass spectrum parameters of the analyte and puerarin (IS).

ComponentMass spectrum parameters
Parent (m/z)Daughter (m/z)Cone (V)Collision (V)ESI

IS417.00267.004030+
LVFX362.20261.102010+