Korean Journal of Medicinal Crop Science (한국약용작물학회지)

The Korean Society of Medicinal Crop Science (한국약용작물학회)
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Changes in Growth, Active Ingredients, and Rheological Properties of Greenhouse-cultivated Ginseng Sprout during its Growth Period

하우스에서 재배된 새싹인삼의 재배시기별 생육, 유효성분 및 물성의 변화

  • Seong, Bong Jae (Ginseng Medicinal Plant Research Institute, CNARES) ;
  • Kim, Sun Ick (Ginseng Medicinal Plant Research Institute, CNARES) ;
  • Jee, Moo Geun (Ginseng Medicinal Plant Research Institute, CNARES) ;
  • Lee, Hee Chul (Ginseng Medicinal Plant Research Institute, CNARES) ;
  • Kwon, A Reum (Ginseng Medicinal Plant Research Institute, CNARES) ;
  • Kim, Hyun Ho (Ginseng Medicinal Plant Research Institute, CNARES) ;
  • Won, Jun Yeon (Department of Oriental Health Care, Joongbu University) ;
  • Lee, Ka Soon (Ginseng Medicinal Plant Research Institute, CNARES)
  • 성봉재 (충청남도농업기술원 인삼약초연구소) ;
  • 김선익 (충청남도농업기술원 인삼약초연구소) ;
  • 지무근 (충청남도농업기술원 인삼약초연구소) ;
  • 이희철 (충청남도농업기술원 인삼약초연구소) ;
  • 권아름 (충청남도농업기술원 인삼약초연구소) ;
  • 김현호 (충청남도농업기술원 인삼약초연구소) ;
  • 원준연 (중부대학교 한방건강관리학과) ;
  • 이가순 (충청남도농업기술원 인삼약초연구소)
  • Received : 2019.03.11
  • Accepted : 2019.04.12
  • Published : 2019.04.30
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Abstract

Background: The ginseng ginsenosides, which have various physiological activities, are known to be more abundant in the leaves than in the roots, and the consumers' interest in ginseng sprout as a functional vegetable has been increasing. Methods and Results: The aim of this study was to investigate the effects of growth period on growth properties, active ingredients and rheology of ginseng sprouts cultivated in a non-heated greenhouse equipped with a shade net for 60 days, starting from the end of May to the middle of July. The chlorophyll content of the leaves decreased, but their length and width increased with increasing cultivation days. In particular, growth increased significantly until 40 days, but only slightly after 50 days. The stem length did not increase greatly from the 20 th to the 30 th day of cultivation, but increased significantly from the 30 th to the 40 th day, and then further increased gradually. The weight of the leaves, stems, and roots increased slightly, but not change significantly. After 40 days of cultivation, the total ginsenoside content increased by 1.07 times in the leaves and decreased by 0.80 times in the roots with increasing cultivation days. The leaf contents of ginsenosides $Rg_1$, Re, $Rb_1$, Rc, $F_3$ and $F_4$ increased with increasing cultivation days. The rheological properties of ginseng sprout showed the greatest influence on stem hardening with increasing cultivation days. Conclusions: Therefore, based on the growth characteristics, active ingredients and physical properties, 40 days after sowing was considered to be an appropriate harvesting time for ginseng sprouts.

Keywords

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Fig. 1. Changes in daily maximum, mean, minimum air temperatures in cultured region and shaded green house during ginseng sprout cultivation after transplanting seedling.

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Fig. 3. Growth status of leaf, stem and root on ginseng sprouts during cultivation after transplanting seedling.

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Fig. 2. Growth characteristics of leaf, stem and root on ginseng sprouts after transplanting seedling.

Table 1. Changes of ginsenosides composition in leaf, stem and root on ginseng sprouts after transplanting seedling.

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Table 1. Continued.

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Table 2. Changes of phenolic acids composition in leaf on ginseng sprouts after transplanting seedling.

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Table 3. Changes of hardness, chewiness, springiness and stiffness in leaf, stem and root of ginseng sprouts after transplanting seedling.

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Table 4. Correlation coefficient among cultivated periods, growth and rheological characteristics.

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