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In relation to this article, we declare that there is no conflict of interest.
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Received December 18, 2000
Accepted April 4, 2001
articles This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Separation of Perillyl Alcohol from the Peel of Citrus Unshiu by Supercritical CO2 and Preparative High-Performance Liquid Chromatography

Center for Advanced Bioseparation Technology and Dept. of Chem. Eng., Inha University, Incheon 402-751, Korea 1Environment Remediation Research Center, KIST, Seoul 136-791, Korea
rowkho@inha.ac.kr
Korean Journal of Chemical Engineering, May 2001, 18(3), 352-356(5), 10.1007/BF02699177
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Abstract

To separate perillyl alcohol (POH), a potential anti-cancer agent, the peel of citrus unshiu was extracted by supercritical CO2 extraction (SCE) system at 50 ℃, 200 bar and 6 kg CO2/hr/kg sample. The extracts were partitioned by acetonitrile/hexane (90/10, vol%). POH was eluted in the acetonitrile phase. An open-tubular chromatography with silica gel (40-63 μm) was used to purify POH from the acetonitrile phase. Mobile phase was hexane/ethyl acetate (90/10, vol%). To obtain POH in a pure form, finally preparative high-performance liquid chromatography was applied. The collection of POH from citrus unshiu peel was achieved on a laboratory-prepared chromatographic column (300×3.9 mm) packed with 15 μm C18 preparative packings. The composition of mobile phase was water/acetonitrile (50/50, vol%). The flow rate of the mobile phase was 1 ml/min and UV wavelength was fixed at 205 nm. It was found that the total yield of POH was 1.6×10(-3) (wt%) as the dry powder of citrus unshiu peel.

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