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Figure 2: (a) Cytochrome P450-carbon monoxide complex assay. Percentage inhibition of Trigonella foenum graecum extract and trigonelline and (b) concentration dependent percentage inhibition curve of Trigonella foenum graecum and trigonelline (values are mean ± standard error of mean; n = 3. ***P < 0.001 vs. positive control ketoconazole. TFG = Trigonella foenum graceum, TFG EtOH = Trigonella foenum graecum dissolved in ethanol, TFG DMSO = Trigonella foenum graecum dissolved in dimethyl sulphoxide, trigonelline EtOH = trigonelline dissolved in ethanol, trigonelline DMSO = trigonelline dissolved in dimethyl sulphoxide)

Figure 2: (a) Cytochrome P450-carbon monoxide complex assay. Percentage inhibition of Trigonella foenum graecum extract and trigonelline and (b) concentration dependent percentage inhibition curve of Trigonella foenum graecum and trigonelline (values are mean ± standard error of mean; n = 3. ***P < 0.001 vs. positive control ketoconazole. TFG = Trigonella foenum graceum, TFG EtOH = Trigonella foenum graecum dissolved in ethanol, TFG DMSO = Trigonella foenum graecum dissolved in dimethyl sulphoxide, trigonelline EtOH = trigonelline dissolved in ethanol, trigonelline DMSO = trigonelline dissolved in dimethyl sulphoxide)