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Induction and Characterization of Adventitious Roots Directly from the Explants of Panax notoginseng.

Gao X, Zhu C, Jia W, Gao W, Qiu M, Zhang Y, Xiao P

School of Pharmacy, Shanghai Jiao Tong University, 200030, Shanghai, China, weijia@sjtu.edu.cn.

Adventitious roots from leafstalks and lateral roots were obtained directly from explants of Panax notoginseng. The lateral root explants were more sensitive to the induction of adventitious roots using indole-3-butyric acid. HPLC analysis of saponins extracted from the adventitious roots indicated that several protopanaxatriol saponins were present but ginsenoside Rd was missing, compared with the saponins extracted from the raw herbs. The dry weight of primary adventitious root culture of Panax notoginseng increased 5.25 times during multiplication in a classical shaking-flask system, suggesting that it is a culture system with great potential for scale-up.

Published 29 November 2005 in Biotechnol Lett, 27(22): 1771-5.
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