Abstract
To investigate the influence of 2,3-dihydrocyclopenta coumarins to the growth of transgenic hairy root of Polygonum multiflorum and the accumulation of active ingredient stilbene glucoside in the culture. In different culture time, 2,3-dihydrocyclopenta coumarin compounds were administrated to the hairy roots. The yield of stilbene glucoside and the growth of the hairy roots were determined after some period of co-culture. Through the investigation of the different concentrations of the 2,3-dihydrocyclopentacoumarin, and sub-culture times, the optimal experimental conditions were established. The optimal administration time of the 2,3-dihydrocyclopentacoumarin was on the fourth day, the optimal concentration of 2,3-dihydrocyclopentacoumarin was 0.025 g x L(-1). Under this condition, the growth of the hairy root greatly increased. Comparing with control group, the accumulation of stilbene glucoside was increased about four times. 2, 3-dihydrocyclopentacoumarins could promote the hairy hair root growth and stimulate the stilbene glucoside accumulation.
Published Version
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