Browsing by Author "Levent, Abdulkadi"

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    Method Validation and Simultaneous Determination of Retinol, Retinyl Palmitate, Β-Carotene, Α-Tocopherol and Vitamin C in Rat Serum Treated With 7,12 Dimethylbenz[A]anthracene and Plantago Major L. by High-Performance Liquid Chromatography Using Diode-Array Detection
    (Bentham Science Publ Ltd, 2013) Levent, Abdulkadi; Oto, Gokhan; Ekin, Suat; Berber, Ismet
    A new and simple high-performance liquid chromatography method was developed and validated for the simultaneous determination of retinol, retinyl palmitate, beta-carotene, alpha-tocopherol and vitamin C in rat serum treated with Plantago Major L. and 7,12 dimethylbenz[a] anthracene. High-performance liquid chromatography analysis was performed utilizing an Inertsil ODS3 reversed phase column with methanol-tetrahydrofuran-water as mobile phase under gradient conditions, at 1.5 mL min(-1) flow rate and 25 degrees C. Diode-array detection was at 325, 450, 290 and 270 nm (retinol and retinyl palmitate), beta-carotene, alpha-tocopherol and vitamin C, respectively and runnig time 18 min. The high-performance liquid chromatography assay and extraction procedure proposed are simple, rapid, sensitive and accurate. The method was then applied for the determination of retinol, retinyl palmitate, beta-carotene, alpha-tocopherol and vitamin C in rat serum. Results of this study demonstrated that; at 60th day DMBA-treated group, there was a significant decrease in vitamin levels compared to the levels of control group. A significant increase was observed in vitamin levels of 7,12 dimethylbenz[a]anthracene+Plantago Major L.-treated group compared to the DMBA-treated group. Additionally, the results obtained in the study are found to be in agreement with data reported in the literature.