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. 2018 Feb 12;26(5):673–677. doi: 10.1016/j.jsps.2018.02.024

Table 1.

Rough IC50 values for inhibition of enzyme-selective substrates metabolites formation by TQ (n = 3, best-fit IC50 values ± SE). All resulting values had r2 value for goodness of fit of at least 0.9.

Enzyme IC50 (µM)
CYP1A2 26.5 ± 2.9
CYP3A4 25.2 ± 3.1
CYP2C9 0.5 ± 0.4
CYP2D6 >500