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Difference of the Ginsenosides Contents According to the Planting Location in Panax ginseng C. A. Meyer  

Li, Xiangguo (College of Agric. & Life Science, Chungnam National University)
Nam, Ki-Yeul (College of Agric. & Life Science, Chungnam National University)
Choi, Jae-Eul (College of Agric. & Life Science, Chungnam National University)
Publication Information
KOREAN JOURNAL OF CROP SCIENCE / v.54, no.2, 2009 , pp. 159-164 More about this Journal
Abstract
The difference of ginsenosides content according to placement of ginseng planting (line) under shading net in 5-year-old ginseng roots were examined. The total saponin ($Rb_1$, $Rb_2$, Rc, Rd, Re, and $Rg_1$) contents were 15.01 mg/g and 21.79 mg/g in the main roots, 35.93 mg/g and 43.32 mg/g in the lateral roots, 87.85 mg/g and 105.51 mg/g in the fine roots for the front $1st{\sim}2nd$ lines in Yunpoong and Landrace variety (purple-stem variant), respectively. In the middle $3rd{\sim}5th$ lines the total saponin contents were 18.73 mg/g and 23.19 mg/g in the main roots, 44.92 mg/g and 43.50 mg/g in the lateral roots, 92.97 mg/g and 110.70 mg/g in the fine roots in Yunpoong and Landrace variety, respectively. In the rear $6th{\sim}7th$ lines the total saponin contents were 21.88 mg/g and 26.68 mg/g in the main roots, 38.41 mg/g and 44.89 mg/g in the lateral roots, 101.03 mg/g and 107.06 mg/g in the fine roots in Yunpoong and Landrace variety, respectively. The differences in total and individual ginsenosides content in the main, lateral and fine roots among the lines were not significant but total ginsenosides contents in the main roots were different in case of Yunpoong variety. The ratios of protopanaxadiol (PD) type saponin to protopanaxatriol (PT) type saponin in roots were lower in the front lines compared to the middle and rear lines and the ratios were significantly different among the parts of roots.
Keywords
ginseng; placement; saponin contents; ginsenosides;
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