Comparative Pharmacokinetic Study of Taxifolin after Oral Administration of Fructus Polygoni Orientalis Extract in Normal and Fibrotic Rats by UPLC-MS/MS

Table 1

MS parameters^a of taxifolin and puerarin (IS) determined by UPLC-MS/MS.

MS parameters	Taxifolin	Puerarin (IS)
Parent ion (m/z)	303.2	415.2
Product (m/z)	124.7	266.9
DP (V)	−120	-130
CE (eV)	−20.909	-36.818
CXP (V)	−13
Ionspray (V)	−4500
CUR (psi)	20
GS1 (psi)	55
GS2 (psi)	55
CAD (psi)	Medium
Source temperature	550

^aDP: declustering potential; CE: collision energy; CXP: cell exit potential; CAD: collision-activated dissociation.