Korean Journal of Plant Resources (한국자원식물학회지)

The Plant Resources Society of Korea (한국자원식물학회)
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Ginsenosides Production through in vitro Culture of Adventitous Roots Induced from Panax ginseng "Chunpoong"

인삼 천풍의 부정근 배양을 통한 Ginsenosides 생산

  • Published : 2004.02.01
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Abstract

We have investigated the optimal conditions for the growth and ginsenoside production in adventitious root of “Chunpoong” (Panax ginseng C.A. Meyer). Ginseng adventitous roots induced from the embryo of “Chunpoong” were cultured in various plant media supplemented with several growth hormones. The best growth rate and high ginsenoside contents were obtained in B5 medium supplemented with IBA (2 mg/L) and kinetin (0.1 mg/L). The supplement of 2.5 mM KH$_2$PO$_4$ was good for high growth rate of the adventitious roots, but the accumulation of ginsenosides was increased by reducing the KH$_2$PO$_4$ concentration to 1.25 mM. We have established the effective liquid culture system for the optimal growth and ginsenoside production of “Chunpoong” adventitious roots.

인삼 천풍의 배(embryo)로부터 부정근을 유도하고 배양배지조성, 식물 호르몬과 인삼염의 농도가 인삼부정근의 생장과 ginsenosides의 생성에 미치는 영향을 조사하였다. 배지 종류별 인삼 부정근의 생장량은 B5, WPM, MS 배지 순으로 높았으며, ginsenosides 함량은 B5배지에서 가장 높았으며 panaxa triol계 사포닌 보다 panaxa diol계 사포닌이 증가하였다. 식물 생장조절제 처리구에서의 인삼부정근의 생장량은 kinetin 0.1 mg/L에서 높게 나타났으며 , ginsenosides 함량은 kinetin 0.01 mg/L에서 오히려 높게 나타났다. 특히 kinetin 0.01 mg/L 첨가에서 ginsenoside Rb$_1$의 함량이 크게 증가하였다. KH$_2$PO$_4$를 추가 첨가 할때에는 부정근의 생장에 2.5 mM에서 대조구에 비해 양호하였으나, ginsenosides의 함량은 1.25 mM에서 높았으며 , 특히 ginsenosides Re의 급격한 증가로 인하여 panaxatriol계 사포닌의 함량이 증가되었다.

Keywords

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