Korean Journal of Medicinal Crop Science (한국약용작물학회지)

The Korean Society of Medicinal Crop Science (한국약용작물학회)
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Comparison of Ginsenoside Content and Ratio of Root Tissue According to Root Age and Diameter in Panax ginseng C. A. Meyer

인삼의 연근과 직경에 따른 뿌리 조직의 비율 및 Ginsenoside 함량 변화

  • Han, Jin Soo (Department of Crop Science, Chungnam National University) ;
  • Tak, Hyun Seong (Department of Crop Science, Chungnam National University) ;
  • Lee, Gang Seon (Department of Crop Science, Chungnam National University) ;
  • Kim, Jung-Sun (Department of Crop Science, Chungnam National University) ;
  • Woo, Ra Jeong (Department of Crop Science, Chungnam National University) ;
  • Choi, Jae Eul (Department of Crop Science, Chungnam National University)
  • 한진수 (충남대학교 농업생명과학대학) ;
  • 탁현성 (충남대학교 농업생명과학대학) ;
  • 이강선 (충남대학교 농업생명과학대학) ;
  • 김정선 (충남대학교 농업생명과학대학) ;
  • 라정우 (충남대학교 농업생명과학대학) ;
  • 최재을 (충남대학교 농업생명과학대학)
  • Received : 2013.07.24
  • Accepted : 2013.09.04
  • Published : 2013.10.30
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Abstract

This study was carried out to investigate change of ginsenoside contents according to tissue ratio in ginseng root by age and diameter. The epidermis-cortex and xylem-pith extent, fresh weight, dry weight of ginseng increased with the root age increase. They increased higher in xylem-pith than in epidermis-cortex. The ratio of epidermis-cortex decreased and xylem-pith increased as the main root diameter increased. In case of same diameter, the xylem-pith ratio increased by the increase of root age. The epidermis-cortex ratio was 4 > 5 > 6 years, respectively. The total 10 ginsenosides of epidermis- cortex increased with the root age increase. However, the total ginsenoside of xylem-pith decreased and it was 2~5 times lower than epidermis-cortex. The most of ginsenoside contents existed in epidermis-cortex. The diameter decrease in main root is related to the increase of epidermis-cortex ratio. It leads to increase of ginsenoside contents. In order to select high level of ginsenoside cultivar, it suggested that it should be selected main root having narrow diameter and lower epidermis- cortex ratio.

Keywords

References

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