Extraction of epicuticular wax and nonacosan-10-OL fromEphedra herb utilizing supercritical carbon dioxide |
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| Authors: | Young Hae Choi Jinwoong Kim Min Jeong Noh Eun Mee Park Ki-Pung Yoo |
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| Affiliation: | (1) College of Pharmacy, Seoul National University, 151-742 Seoul, Korea;(2) Department of Chemical Engineering, Sogang University, Seoul, Korea |
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| Abstract: | Experimental results concerning the processing feasibility of using supercritical CO2 were reported for the extraction of epicuticular wax fromEphedra herb. Subsequently the isolability of nonacosan-10-ol from the total extract of epicuticular wax was evaluated by TLC and
gas chromatography. Also, Soxhlet extractions ofEphedra herb by n-hexane and chloroform were performed and these results were compared with those obtained by supercritical CO2 extraction. As a result, we could demonstrate that supercritical CO2 can be an economical alternative to the organic solvents in processing the medicinal plant. |
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| Keywords: | SFE Ephedra Herb Epicuticular Wax Layer Nonacosan-10-ol Carbon Dioxide |
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