screen for ADH inhibition by drugs would clearly be very useful; however, a standardized method that allows this is not available.
As we are interested in study these potential interactions and in order to fill this gap, a spectrophotometric method based on the procedure described by Kägi and Vallee (1960) was adapted andoptimized.
As a source of ADH, rat liver homogenates S9 fraction was used as it is easily available and is rich in the main ethanolmetabolizing enzyme ADH1