Abstract
Perillyl alcohol, abundant mainly in oranges, has chemotherapeutic activity against carcinogenesis. The peel of Korean oranges was extracted by methanol, and the extract was partitioned by methanol-extract/water/chloroform, (20/5/30 vol%). To concentrate perillyl alcohol of the water-phase in the previous partition step, a glass column (2.5 i.d. x 15 cm) with reversed-phase C18 packings (40–63 μm) was used. Finally, to obtain perillyl alcohol in a pure form, reversed-phase high-performance liquid chromatography (RP-HPLC) was applied. Mobile phases used were water, methanol, and acetonitrile. The flow rate of the mobile phase was 1 ml/min and UV wavelength was fixed at 205 nm. The resolution of perillyl alcohol from Korean orange peel was achieved on a μ-Bondapak C18 column (3.9x300 mm, 10 μm) and in-house Chromatographic column packed with 15 μm C18 preparative packings. From the experimental results, the mobile phase composition was water/acetonitrile, (65/35 vol%) and the retention time of perillyl alcohol was 20.5 min in the analytical μ-Bondapak column. The effect of injection volumes was investigated in the preparative column.
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