Solvent Extraction Research and Development, Japan
Online ISSN : 2188-4765
Print ISSN : 1341-7215
Original Articles
Extraction of Xanthones from the Pericarps of Garcinia mangostana Linn. with Supercritical Carbon Dioxide and Ethanol
Kenji MISHIMARyo KAWAKAMIHaruo YOKOTATakunori HARADATakafumi KATOKeiichi IRIEKenichi MISHIMAMichihiro FUJIWARAKiyoshi MATSUYAMASalim MUSTOFAAgus SALIM
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2013 年 20 巻 p. 79-89

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The extraction of xanthones, such as α-mangostin from the pericarp of mangosteen (Garcinia mangostana Linn.) by supercritical fluid extraction (SFE), for which the solvent was carbon dioxide (CO2), was carried out at 35, 40 and 50 ºC. The extraction pressure was from 10 to 20 MPa. In order to enhance the yield of the extraction, ethanol was added as an entrainer. The yields of xanthones, such as α-mangostin in the extraction were significantly improved, whereas a change in the selectivity of the extract was not observed. We also conducted qualitative and quantitative analyses for xanthones in the extract by HPLC, and analyzed the extraction behavior. The effect of three operating parameters, such as temperature, pressure and the mole fraction of ethanol in a supercritical solution of CO2 on the extraction yield was investigated using the single-factor method.

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© 2013 Japan Association of Solvent Extraction
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