[Objectives]This study was conducted to analyze the genetic toxicity of Solidago decurrens,with a view to scientifically and safely using S.decurrens.[Methods]Using commercially available S.decurrens as an experimenta...[Objectives]This study was conducted to analyze the genetic toxicity of Solidago decurrens,with a view to scientifically and safely using S.decurrens.[Methods]Using commercially available S.decurrens as an experimental material,according to Vicia faba root tip micronucleus technique,V.faba root tips were treated with different doses of aqueous extract from S.decurrens for different times,and the mitotic index,frequency of micronucleus and chromosomal aberration of root tips in V.faba were detected,so as to reveal the allelopathic potential and the potential ecological risks of S.decurrens at the cellular level.[Results]The decrease in the mitotic index caused by the aqueous extract of S.decurrens was positively related to the concentration of the aqueous extract and the treatment time.The aqueous extract of S.decurrens increased the frequency of micronucleus in root tip cells of V.faba,and the increase was positively related to the concentration of the aqueous extract and the treatment time.The aqueous extract of S.decurrens caused abnormal phenomena such as chromosome bridges,chromosome fragmentation,and chromosome lag in V.faba root tip cells,and the effect of the aqueous extract on V.faba root tips had significant effects dependent on time and concentration.Above results indicate that the aqueous extract of S.decurrens inhibited and damaged the mitosis of V.faba root tip cells to some degrees,had certain genetic toxicity and had the ability to rapidly spread.[Conclusions]This study provides a theoretical basis for scientifically and rationally using S.decurrens and preventing the spread of S.decurrens.展开更多
This paper compared chemical constituents and antimicrobial activity of the volatile oil from Solidago canadensis and S.decurrens.The volatile oils were respectively obtained from fresh leaves of the two species with ...This paper compared chemical constituents and antimicrobial activity of the volatile oil from Solidago canadensis and S.decurrens.The volatile oils were respectively obtained from fresh leaves of the two species with hydrodistillation.S.canadensis a newly extended invasive species in east China and S.decurren is a traditional Chinese medical plant in wild.Major chemical constituents of the volatile oil were identified and analyzed by GC-MS analyses.Antimicrobial activity was tested by the disc diffusion method.The results exhibited that the greatest component of the volatile oil from leaves of S.canadensis was(-)-germacrene D(44.24%).The greatest component of the volatile oil from leaves of S.decurrens was δ-elemene(21.73%).High content of a component acted as anticancer activity in the oil from S.decurrens was detected.The antibacterial activity of the volatile oil from S.canadensis was lower than that from S.decurrens.Chemical constituents of the volatile oil from S.canadensis were obviously different from that of the volatile oil from S.decurrens.The volatile oil from S.canadensis could not replace the volatile oil from S.decurrens on values of medicines.展开更多
基金Innovation Center Team Project of Hubei Collaborative Innovation Center for the Characteristic Resources Exploration of Dabie Mountains(2015TD07)。
文摘[Objectives]This study was conducted to analyze the genetic toxicity of Solidago decurrens,with a view to scientifically and safely using S.decurrens.[Methods]Using commercially available S.decurrens as an experimental material,according to Vicia faba root tip micronucleus technique,V.faba root tips were treated with different doses of aqueous extract from S.decurrens for different times,and the mitotic index,frequency of micronucleus and chromosomal aberration of root tips in V.faba were detected,so as to reveal the allelopathic potential and the potential ecological risks of S.decurrens at the cellular level.[Results]The decrease in the mitotic index caused by the aqueous extract of S.decurrens was positively related to the concentration of the aqueous extract and the treatment time.The aqueous extract of S.decurrens increased the frequency of micronucleus in root tip cells of V.faba,and the increase was positively related to the concentration of the aqueous extract and the treatment time.The aqueous extract of S.decurrens caused abnormal phenomena such as chromosome bridges,chromosome fragmentation,and chromosome lag in V.faba root tip cells,and the effect of the aqueous extract on V.faba root tips had significant effects dependent on time and concentration.Above results indicate that the aqueous extract of S.decurrens inhibited and damaged the mitosis of V.faba root tip cells to some degrees,had certain genetic toxicity and had the ability to rapidly spread.[Conclusions]This study provides a theoretical basis for scientifically and rationally using S.decurrens and preventing the spread of S.decurrens.
文摘This paper compared chemical constituents and antimicrobial activity of the volatile oil from Solidago canadensis and S.decurrens.The volatile oils were respectively obtained from fresh leaves of the two species with hydrodistillation.S.canadensis a newly extended invasive species in east China and S.decurren is a traditional Chinese medical plant in wild.Major chemical constituents of the volatile oil were identified and analyzed by GC-MS analyses.Antimicrobial activity was tested by the disc diffusion method.The results exhibited that the greatest component of the volatile oil from leaves of S.canadensis was(-)-germacrene D(44.24%).The greatest component of the volatile oil from leaves of S.decurrens was δ-elemene(21.73%).High content of a component acted as anticancer activity in the oil from S.decurrens was detected.The antibacterial activity of the volatile oil from S.canadensis was lower than that from S.decurrens.Chemical constituents of the volatile oil from S.canadensis were obviously different from that of the volatile oil from S.decurrens.The volatile oil from S.canadensis could not replace the volatile oil from S.decurrens on values of medicines.
