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KMID : 0380020050200030205
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Korean Journal of Biotechnology and Bioengineering
2005 Volume.20 No. 3 p.205 ~ p.209
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Supercritical Fluid Extraction of Sesame Oil with High Content of Sesamol
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Ju Young-Woon
Sonh Min-Ho
Lee Ju-Seok
Lee Moon-Young
Byun Sang-Yo
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Abstract
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Studies for the commercial production of sesame oil using th supercriticl carbon dioxide were made. Characteristics of sesame oil containing one of natural antioxidant ’sesamol’, which only exist at sesame seed were also studied during the supercritical fluid extraction. Among the various factors influencing the sesamol contents in the sesame oil, the roasting time and temperature were checked, because sesamol can be converted from sesamol in through pyrolysis. We found that the sesamol content was increased rapidly under the condition of roasting temperature over with longer roasting time. The sesamol content was increased as the temperature and pressure increased, which was caused by increase of solubility of sesamol against sesamol oil. And the sesamol content was increased also with lower speed of supercritical fluid, which increased the contact time with the raw material. The sesamol content was also increased using water increase up to as the entrainer. When the extraction performance with the supercritical fluid was compared to the conventional compressed extraction, the sesamol content was increased up to 11.5 times with the entrainer
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KEYWORD
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Sesamun indicum L., supercritical fluid, Lignan, sesamol
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