Optimization of elicitors and precursors to enhance valtrate production in adventitious roots of Valeriana amurensis Smir. ex Kom

作者: Lei Cui , Zhen-Yu Wang , Xiu-Hua Zhou

DOI: 10.1007/S11240-011-0052-2

关键词:

摘要: Valeriana amurensis Smir. ex Kom. is a traditional Chinese medicinal plant as its roots serve rich source of valtrate, compound with antifungal cytotoxic sedation and tranquilizing activities. In this study, an adventitious root culture V. was established, the effects different elicitors, including salicylic acid (SA), chitosan (CH), jasmonic (JA), methyl jasmonate (MJ), yeast extract (YE), carbohydrate fraction (YECF) along precursor citronellal (CI) on production valepotriates were assayed. MJ JA highly promoted valtrate production; while, CH moderately production. contrast, CI, SA, YE, YECF ineffective in promoting Using response surface methodology, optimal combinations MJ, JA, shown to have strong synergistic production, subsequently confirmed experimental studies.

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