Kenjiro Koga

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BACKGROUND The purpose of this study was to evaluate absorption and elimination from the gastrointestinal tract of glycyrrhizic acid diethyl ester (GZ-DE) which was prepared as a prodrug of glycyrrhizic acid (a poorly absorbed compound) in rats. METHODS After the GZ-DE solution was administered via the intravenous, intraduodenal, intraileal, and stomach(More)
The physicochemical properties (pH and osmolarity), ingredients, and impurities containing in compound glycyrrhizin injections (eight items) marketed in China were compared with those in bland-name drug (Stronger Neo-Minophagen C injection). Glycyrrhizin (GZ), glycine (Gly), and l-cysteine (CysH) as the ingredients, moreover, glycyrrhetinic acid (GA),(More)
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