Influences of Oldenlandia diffusa on the CYP450 Activities in Rats Using a Cocktail Method by UHPLC-MS/MS

Table 1

Mass spectrometry information for each probe drugs.

Compound	Precursor ion (m/z)	Product ion (m/z)	Collision energy (V)	Fragmentor
Phenacetin	180.1	109.9	24	122
Omeprazole	346.12	135.9	44	108
Tolbutamide	271.11	91	36	120
Metoprolol	268.19	115.9	17	130
Midazolam	326.09	290.8	44	170
Carbamazepine	237.1	194	18	140