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논문 상세정보

병풀 (Centella asiatica L. Urban) 식물체 배양을 이용한 Triterpene Glycoside 생산

Production of Triterpene Glycosides from Whole Plant Cultures of Centella asiatica (L.) Urban

초록

기내에서 병풀의 식물체 배양을 확립하였고 기본배지 설정 및 대량원소들, sucrose 농도가 triterpene glycoside (Made-cassoside와 Asiaticoside: M&A) 생산에 대한 영향을 조사하였다. 병풀 식물체가 각각의 배지에서 배양되었을 때, MS와 RCM배지는 각각 식물체 생장과 M&A 생산에 대해 가장 좋은 결과를 나타냈다. 하지만, M&A에 대해 가장 높은 생산성은 B5 배지로 나타내었다. B5 배지의 대량영양소인 KNO$_3$는 25 mM, NaH$_2$PO$_4$는 1 mM, CaC1$_2$는 1 mM 그리고 MgSO$_4$는 1~10 mM에서 M&A 생산이 최적을 이루거나 증가시켰다. Sucrose를 농도별로 처리했을 때, 6% sucrose 농도에서 가장 높은 M&A 생산을 얻을 수 있었다.

Abstract

Whole plant cultures of Centella asiatica (L.) Urban in vitro were established and the effects of basal media, some macro elements and sucrose concentration on productivity of triterpene glycosides (madecassoside and asiaticoside: M$\varepsilon$A) were investigated. Among the media (MS, B5, RCM) tested, MS and 0.5 RCM medium were the best for plant growth and M$\varepsilon$A production, respectively. However, taking into account the M$\varepsilon$A productivity, B5 medium was superior (M$\varepsilon$A: 14.28 mg/g dry wt.). Major macronutrients of B5 medium adjusted with the concentration of 25 mM KNO$_3$,1 mM NaH$_2$PO$_4$, 1 mM CaCl$_2$ and 1~10 mM MgSO$_4$, caused elevated or optimized levels of M$\varepsilon$A. On sucrose concentration, the highest yields of M$\varepsilon$A were obtained from 6% sucrose.

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