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KMID : 0616120060370040217
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Korean Journal of Pharmacognosy
2006 Volume.37 No. 4 p.217 ~ p.220
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Quantitative analysis of Ginsenosides in Red Ginseng Extracted under Various Temperature and Time
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Yang Byung-Wook
Han Sung-Tai
Ko Sung-Kwon
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Abstract
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This study compared the contents of ginsenoside according to the extract conditions of red ginseng to provide basic information for developing functional food using red ginseng. According to the result, the content of crude saponin was highest in 72 hours of extraction at 82℃(RG-823). The content of prosapogenin (ginsenoside Rh1, Rh2, Rg2, Rg3) was highest in 48 hours of extraction, and followed by 72 and 24 hours at 82℃. And at 93℃ the prosapogenin contents were highest in the order of 48 hours, and next in 24 and 72 hours. In addition, ginsenoside Rb1,Rb2 Rc and Re were not detected in 72 hours of extraction at 93℃(RG-933) presumedly due to hydrolysis, but ginsenoside Rd, Rf and Rg1 were detected as long as 72 hours of extraction. These results show that protopanaxatriol group is relatively more resistant to heat than protopanaxadiol group.
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KEYWORD
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ginsenoside, red ginseng, prosapogenin, protopanaxadiol, protopanaxatriol
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