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Chinese Journal of Information on Traditional Chinese Medicine ; (12): 60-63, 2017.
Article Dans Chinois | WPRIM | ID: wpr-667808

Résumé

Objective To compare the difference of transformation profile and transformation rate of tecomin by using two in vitro liver metabolism models. Methods Liver microsomes and liver S9 fraction models were employed to transform tecomin. HPLC was used to determine the contents of tecomin and its metabolites at the detecting wavelength of 254 nm. The gradient elution (0–6 min, 5%–40% A; 6–9 min, 40%–50% A; 9–11 min, 50%–5% A) was carried out by using mobile phase of acetonitrile (A) - 1% acetic acid (B) at a flow rate of 1 mL/min. Results Both models could transform tecomin into veratric acid; however, the metabolites obtained with liver S9 were more than those obtained with liver microsomes, and the transformation rate of the former was higher than that of the latter. Conclusion The liver S9 fraction can more efficiently transform esters than liver microsomes.

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