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KMID : 1098420120200040270
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Korean Journal of Medicinal Crop Science
2012 Volume.20 No. 4 p.270 ~ p.276
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Effect of High Pressure and Steaming Extraction Processes on Ginsenosides Rg3 and Rh2 Contents of Cultured-Root in Wild Ginseng (Panax ginseng C. A. Meyer)
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Choi Woon-Yong
Lee Choon-Geun
Seo Yong-Chang
Song Chi-Ho
Lim Hye-won
Lee Hyeon-Yong
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Abstract
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This study was performed to enhance contents of low molecular weight ginsenoside Rh2 and Rg3 using an ultra high pressure and steaming process in wild cultured-Root in wild ginseng. For selective increase in contents of Rg3 and Rh2 in cultured wild ginseng roots, an ultra high extraction was applied at 500 ㎫ for 20 min which was followed by steaming process at 90℃ for 12 hr. It was revealed that contents of ginsenosides, Rb1, Rb2, Rc and Rd, were decreased with the complex process described above, whereas contents of ginsenoside Rh2 and Rg3 were increased up to 4.918 ㎎/g and 6.115 ㎎/g, respectively. In addition, concentration of benzo[α]pyrene in extracts of the cultured wild ginseng roots treated by the complex process was 0.64 ppm but it was 0.78 ppm when it was treated with the steaming process. From the results, it was strongly suggested that low molecular weight ginsenosides, Rh2 and Rg3, are converted from Rb1, Rb2, Rc, and Rd which are easily broken down by an ultra high pressure and steaming process. This results indicate that an ultra high pressure and steaming process can selectively increase in contents of Rg3 and Rh2 in cultured wild ginseng roots and this process might enhance the utilization and values of cultured wild ginseng roots.
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KEYWORD
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Cultured-Root, Wild Ginseng, Ultra High Pressure, Low Molecular Ginsenoside, Steaming Process
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