An orthogonal design was used to optimize SSR-PCR amplification system using Panax ginseng genomic DNA as template. Four levels of five factors （DNA template, Taq DNA polymerase, Mg^2＋, primer, and dNTP） and anneal...An orthogonal design was used to optimize SSR-PCR amplification system using Panax ginseng genomic DNA as template. Four levels of five factors （DNA template, Taq DNA polymerase, Mg^2＋, primer, and dNTP） and annealing temperature have been tested separately in this system. The results demonstrated the reaction efficiency was affected by these factors. Based on the results, a stable, productive and reproducible PCR system and cycling program for amplifying a ginseng SSR locus were obtained： 20 μL system containing 1.0 U Taq DNA polymerase, 2.0 mmol·L^-1 Mg^2＋, 0.2 mmol·L^-1 dNTPs, 0.3 μmol·L^-1 SSR primer, 60 ng· μla^-1 DNA template, performed with a program of 94℃ for 5 min, 94℃ for 30 s, annealing at 56.3℃ for 30 s, 72℃ for 1 min, 37 cycles, finishing at 72℃ for 7 min, and storing at 4℃.展开更多
Ginseng(Panax ginseng C.A.Meyer)as a common dietary adjunct is widely applied in Traditional Chinese Medicine due to its health-promoting properties,but the differences between white ginseng and red ginseng was rarely...Ginseng(Panax ginseng C.A.Meyer)as a common dietary adjunct is widely applied in Traditional Chinese Medicine due to its health-promoting properties,but the differences between white ginseng and red ginseng was rarely studied.In the present study,color parameters and scanning electron microscope(SEM)were determined to evaluate the differences of ginseng color and microstructure induced by processing procedure.Quantitative analysis of multi-components by a single-marker(QAMS)method and anti-α-amylase activity test were used to assess variations of chemical ingredients and pharmacological activity between white and red ginseng.Finally,molecular docking studies were carried out to screen out the most effective compound againstα-amylase.Results indicated that processing had a significant impact on the physicochemical properties and pharmacological activity of white and red ginseng.After processing,the color value of L*declined significantly.Red ginseng sample displayed a compact structure and presented of a gel layer on the surface compared to white ginseng.Additionally,the content of ginsenosides and the activity of anti-α-amylase decreased.The contents of total ginsenosides were positively correlated with the anti-α-amylase activities of ginseng,and ginsenoside Rb1 might be the most effective compound to inhibit the activity ofα-amylase.展开更多
Objective To search the effects of the extractive E of Ginseng(EG)on experimental climacteric syndrome in rats.Methods Extirpating the both sides of ovary of rats to turbulence estrogen secretion,induce climacteric sy...Objective To search the effects of the extractive E of Ginseng(EG)on experimental climacteric syndrome in rats.Methods Extirpating the both sides of ovary of rats to turbulence estrogen secretion,induce climacteric syndrome.The weight,bite and sup,substance of bone,blood lipid,calcium urine biochemistry,estrodiol,behavior perfomance were also observed.Results The body weight of ovariotomied rat was controlled,bone density was increased,estradiol level increased,the weight of bone increased.Conclusions EG ameliorated climacteric syndrome.Increase bone density and bone mine content,enhanced the level of estradiol.展开更多
The multielement analysis and investigation on ginseng and soil samples have been conducted by X-ray fluorescence (XRF) with a nation approved standard matter for the quality control in measurements. The absorptivity ...The multielement analysis and investigation on ginseng and soil samples have been conducted by X-ray fluorescence (XRF) with a nation approved standard matter for the quality control in measurements. The absorptivity of trace elements are different for various parts of ginseng. Concentrated elements and their degrees of concentration are also different. Ca and Sr are concentrated in the main root and their degrees of concentrations increased with growing ages. The absorptivities of element are higher in rhizome and fibrous root than in main root. In addition, the dried weight of ginseng’s root increases exponentially with growing ages.展开更多
Ginseng planting in Northeast China brings economic benefits but affects forest landscape integrity and native ecological processes.In order to quantify the impacts of ginseng planting on the forest landscape,Fusong C...Ginseng planting in Northeast China brings economic benefits but affects forest landscape integrity and native ecological processes.In order to quantify the impacts of ginseng planting on the forest landscape,Fusong County in Jilin Province was selected as a study area.The number and distribution of ginseng fields over different time was quantified based on remote sensing and ground surveys.Grid analysis and multiple regression analysis were used to study the impacts of ginseng planting on the landscape.The results showed that altitudes and slopes of ginseng fields increased and became increasingly scattered and smaller closer to the Changbai Mountain Nature Reserve.Ginseng fields and abandoned fields increased total patches and total area of the local forested landscape,and shared edge lengths between ginseng fields and forests,resulting in continuous fragmentation of the landscape.Although the total area of existing and abandoned ginseng fields accounts for a small fraction of the total landscape,their negative impacts on ecosystem conservation is significant.The local government needs to rationally plan ginseng planting,scientifically implement the restoration of abandoned ginseng lands,and enhance awareness of ginseng farmers to environmental stewardship.Our study has important significance for maintaining the healthy and stable development of the local ginseng industry and for improving the quality of regional ecological environment.展开更多
Five minor compounds isolated from the leaves of Panax ginseng C. A. Meyer were characterized as 20（R）-protopanaxatriol （1）, daucosterin （2）, 3β, 12β-dihydroxy-dammar-20 （22）, 24-diene-3-O-β-D-glucopyranosi...Five minor compounds isolated from the leaves of Panax ginseng C. A. Meyer were characterized as 20（R）-protopanaxatriol （1）, daucosterin （2）, 3β, 12β-dihydroxy-dammar-20 （22）, 24-diene-3-O-β-D-glucopyranoside （3）, 20 （R）-protopanaxadiol-3-O-β-D-glucopyranoside （4） and ginsenoside-Rh2 （5）, respectively, on the basis of spectral analyses and chemical evidence. The two new saponins, 3 and 4, were named as ginsenoside-Rh3 and 20（R）-ginsenoside-Rh2.Nine other major saponins obtained simultaneously were identical with ginsenoside-Rh1（6）,-Rg3 （7）, -Rg2 （8）, -Rg1 （9）,-Re（10）,-Rd （11）, -Rc （12）, -Rb2（13） and Rb1 （14）, respectively.展开更多
Excess caloric intake increases the amount of adipose tissue and contributes to metabolic disorders in disrupted metabolic homeostasis.This study aimed to investigate the anti-obesity effects of ginseng and the altern...Excess caloric intake increases the amount of adipose tissue and contributes to metabolic disorders in disrupted metabolic homeostasis.This study aimed to investigate the anti-obesity effects of ginseng and the alternation of gut microbiota composition in high-fat diet(HFD)-induced obesity.The results showed that HFD treatment influenced body weight gain,adipose tissue accumulation and biochemical parameter changes.Compared to the HFD group,ginseng supplementation of HFD-fed mice decreased body weight,adipose tissue mass,total cholesterol(T-CHO)and high-density lipoprotein(HDL)/low-density lipoprotein(LDL)ratio.To analysis the alterations of gut microbiota,ginseng in dietary supplements decreased Firmicutes abundance and increased Bacteroidetes abundance.Taken together,these findings suggest ginseng may modulate the energy storage and alter gut microbiota composition.展开更多
基金This research was supported by Department of Wildlife Conservation, State Forestry Administration, P. R. China.
文摘An orthogonal design was used to optimize SSR-PCR amplification system using Panax ginseng genomic DNA as template. Four levels of five factors （DNA template, Taq DNA polymerase, Mg^2＋, primer, and dNTP） and annealing temperature have been tested separately in this system. The results demonstrated the reaction efficiency was affected by these factors. Based on the results, a stable, productive and reproducible PCR system and cycling program for amplifying a ginseng SSR locus were obtained： 20 μL system containing 1.0 U Taq DNA polymerase, 2.0 mmol·L^-1 Mg^2＋, 0.2 mmol·L^-1 dNTPs, 0.3 μmol·L^-1 SSR primer, 60 ng· μla^-1 DNA template, performed with a program of 94℃ for 5 min, 94℃ for 30 s, annealing at 56.3℃ for 30 s, 72℃ for 1 min, 37 cycles, finishing at 72℃ for 7 min, and storing at 4℃.
基金supported by Tianjin Key R&D Plan-Key Projects Supported by Science and Technology (19YFZCSN00010)
文摘Ginseng(Panax ginseng C.A.Meyer)as a common dietary adjunct is widely applied in Traditional Chinese Medicine due to its health-promoting properties,but the differences between white ginseng and red ginseng was rarely studied.In the present study,color parameters and scanning electron microscope(SEM)were determined to evaluate the differences of ginseng color and microstructure induced by processing procedure.Quantitative analysis of multi-components by a single-marker(QAMS)method and anti-α-amylase activity test were used to assess variations of chemical ingredients and pharmacological activity between white and red ginseng.Finally,molecular docking studies were carried out to screen out the most effective compound againstα-amylase.Results indicated that processing had a significant impact on the physicochemical properties and pharmacological activity of white and red ginseng.After processing,the color value of L*declined significantly.Red ginseng sample displayed a compact structure and presented of a gel layer on the surface compared to white ginseng.Additionally,the content of ginsenosides and the activity of anti-α-amylase decreased.The contents of total ginsenosides were positively correlated with the anti-α-amylase activities of ginseng,and ginsenoside Rb1 might be the most effective compound to inhibit the activity ofα-amylase.
文摘Objective To search the effects of the extractive E of Ginseng(EG)on experimental climacteric syndrome in rats.Methods Extirpating the both sides of ovary of rats to turbulence estrogen secretion,induce climacteric syndrome.The weight,bite and sup,substance of bone,blood lipid,calcium urine biochemistry,estrodiol,behavior perfomance were also observed.Results The body weight of ovariotomied rat was controlled,bone density was increased,estradiol level increased,the weight of bone increased.Conclusions EG ameliorated climacteric syndrome.Increase bone density and bone mine content,enhanced the level of estradiol.
文摘The multielement analysis and investigation on ginseng and soil samples have been conducted by X-ray fluorescence (XRF) with a nation approved standard matter for the quality control in measurements. The absorptivity of trace elements are different for various parts of ginseng. Concentrated elements and their degrees of concentration are also different. Ca and Sr are concentrated in the main root and their degrees of concentrations increased with growing ages. The absorptivities of element are higher in rhizome and fibrous root than in main root. In addition, the dried weight of ginseng’s root increases exponentially with growing ages.
基金funded by National Key Research and Development Program of China(No.2016YFC0503603)。
文摘Ginseng planting in Northeast China brings economic benefits but affects forest landscape integrity and native ecological processes.In order to quantify the impacts of ginseng planting on the forest landscape,Fusong County in Jilin Province was selected as a study area.The number and distribution of ginseng fields over different time was quantified based on remote sensing and ground surveys.Grid analysis and multiple regression analysis were used to study the impacts of ginseng planting on the landscape.The results showed that altitudes and slopes of ginseng fields increased and became increasingly scattered and smaller closer to the Changbai Mountain Nature Reserve.Ginseng fields and abandoned fields increased total patches and total area of the local forested landscape,and shared edge lengths between ginseng fields and forests,resulting in continuous fragmentation of the landscape.Although the total area of existing and abandoned ginseng fields accounts for a small fraction of the total landscape,their negative impacts on ecosystem conservation is significant.The local government needs to rationally plan ginseng planting,scientifically implement the restoration of abandoned ginseng lands,and enhance awareness of ginseng farmers to environmental stewardship.Our study has important significance for maintaining the healthy and stable development of the local ginseng industry and for improving the quality of regional ecological environment.
文摘Five minor compounds isolated from the leaves of Panax ginseng C. A. Meyer were characterized as 20（R）-protopanaxatriol （1）, daucosterin （2）, 3β, 12β-dihydroxy-dammar-20 （22）, 24-diene-3-O-β-D-glucopyranoside （3）, 20 （R）-protopanaxadiol-3-O-β-D-glucopyranoside （4） and ginsenoside-Rh2 （5）, respectively, on the basis of spectral analyses and chemical evidence. The two new saponins, 3 and 4, were named as ginsenoside-Rh3 and 20（R）-ginsenoside-Rh2.Nine other major saponins obtained simultaneously were identical with ginsenoside-Rh1（6）,-Rg3 （7）, -Rg2 （8）, -Rg1 （9）,-Re（10）,-Rd （11）, -Rc （12）, -Rb2（13） and Rb1 （14）, respectively.
基金This study was supported by the Ministry of Science and Technology[105-2320-B-002-031-MY3,105-2628-B-002-003-MY3].
文摘Excess caloric intake increases the amount of adipose tissue and contributes to metabolic disorders in disrupted metabolic homeostasis.This study aimed to investigate the anti-obesity effects of ginseng and the alternation of gut microbiota composition in high-fat diet(HFD)-induced obesity.The results showed that HFD treatment influenced body weight gain,adipose tissue accumulation and biochemical parameter changes.Compared to the HFD group,ginseng supplementation of HFD-fed mice decreased body weight,adipose tissue mass,total cholesterol(T-CHO)and high-density lipoprotein(HDL)/low-density lipoprotein(LDL)ratio.To analysis the alterations of gut microbiota,ginseng in dietary supplements decreased Firmicutes abundance and increased Bacteroidetes abundance.Taken together,these findings suggest ginseng may modulate the energy storage and alter gut microbiota composition.
