Publications by authors named "Mary Leadbetter"

In this study we developed a sensitive method using high performance liquid chromatography (HPLC) coupled to electrospray ionization (ESI) with high resolution time of flight (TOF) mass spectrometry (MS) for the determination of naturally occurring antioxidant trans-resveratrol (3,5,4'-trihydroxy-trans-stilbene, RES). This method enabled an investigation of a relationship between tumor growth in rats and concentration of RES and its primary metabolites, trans-resveratrol-3-O-sulfate-3-O-sulfate (R3S) and trans-resveratrol-3-O-β-d-glucuronide (R3G), in rat serum after RES exposure (5 or 25mg/kg/day). RES levels in rat serum were near the limit of detection, showing concentrations of 4±1 and 12±4ng/mL for low and high-dose exposure, respectively.

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