The essential oil of Schisandra Chinensis(Turc z.) Baill was extracted and analyzed. The essential oil was obtained in a 1.8%(mL/100 g material) yield. Forty eight compounds were isolated and characterized from the oi...The essential oil of Schisandra Chinensis(Turc z.) Baill was extracted and analyzed. The essential oil was obtained in a 1.8%(mL/100 g material) yield. Forty eight compounds were isolated and characterized from the oil. The results show that the content(20.42%) of β -pinene of naturally essential oil is the highest among the components of the oil,which has laid a foundation for the futher development and application of the stems of Schisandra Chinensis(Turc z.) Baill .展开更多
Objective:The fruit stalk of Schisandra chinensis(Turcz.)Baill.(S.chinensis)has been found to contain bioactive components similar to the fruit of S.chinensis.Here,we report a recent discovery about new nortriterpenoi...Objective:The fruit stalk of Schisandra chinensis(Turcz.)Baill.(S.chinensis)has been found to contain bioactive components similar to the fruit of S.chinensis.Here,we report a recent discovery about new nortriterpenoids with a novel skeleton and anti-gastric cancer activity,which were isolated from the fruit stalk of S.chinensis.Methods:The chemical components of ethyl acetate extract from 70%ethanol extract from S.chinensis fruit stalk were separated,purified,and identified by liquid chromatography methods(silica gel,ODS,HPLC)and extensive spectroscopic analyses(NMR,IR,UV,MS,CD).Results:Two new nortriterpenoids,schilancitrilactone M and 25-hydroxyl schindilactone D(1 and 2),along with ten known nortriterpenoids(3-12)were isolated from the fruit stalk of S.chinensis.The isolated compounds were tested for their cytotoxic activities against MGC-803 cells,and the results showed that compounds 6-8 possessed significant activities with IC50 of 9.01,11.77,and 2.74μmol/L,respectively.Conclusion:Twelve nortriterpenoids including two new compounds were isolated from the fruit stalk of S.chinensis for the first time.Among them,compounds 6-8 showed significant anti-gastric cancer activities.We postulated that the fruit stalk of S.chinensis could be used as an anti-gastric cancer drug.展开更多
Schisandra chinensis (Turcz.) Baill. is a deciduous woody vine, and belongs to the Schisandraceae family. This species is a horticultural plant with edible fruit. It is used medicinally and for making rope. It is dist...Schisandra chinensis (Turcz.) Baill. is a deciduous woody vine, and belongs to the Schisandraceae family. This species is a horticultural plant with edible fruit. It is used medicinally and for making rope. It is distributed in Hebei, Heilongjiang, Jilin, Liaoning, Nei Mongol, Shanxi展开更多
The ethanol-insoluble residue of Schisandra generated during lignans industrial production is usually treated as solid waste. However, there is active polysaccharide which could be used in it. In this work, the water-...The ethanol-insoluble residue of Schisandra generated during lignans industrial production is usually treated as solid waste. However, there is active polysaccharide which could be used in it. In this work, the water-soluble polysaccharides from the ethanol-insoluble residue of Schisandra(ESCP) were obtained and their anti-diabetic effect was evaluated. The results indicate that ESCP could significantly reduce the blood glucose level in alloxan-induced diabetic mice. Moreover, the ESCP could significantly improve the lipid metabolism and increase the content of liver glycogen in alloxan-induced diabetic mice. The results indicate that ESCP could be developed into a potential natural hypoglycemic agent.展开更多
文摘The essential oil of Schisandra Chinensis(Turc z.) Baill was extracted and analyzed. The essential oil was obtained in a 1.8%(mL/100 g material) yield. Forty eight compounds were isolated and characterized from the oil. The results show that the content(20.42%) of β -pinene of naturally essential oil is the highest among the components of the oil,which has laid a foundation for the futher development and application of the stems of Schisandra Chinensis(Turc z.) Baill .
基金This study was supported by the National Nature Science Foundation(81973440)National Key Research and Development Project(2018YFC1707100+1 种基金2018YFC1707103)Heilongjiang Touyan Innovation Team Program.
文摘Objective:The fruit stalk of Schisandra chinensis(Turcz.)Baill.(S.chinensis)has been found to contain bioactive components similar to the fruit of S.chinensis.Here,we report a recent discovery about new nortriterpenoids with a novel skeleton and anti-gastric cancer activity,which were isolated from the fruit stalk of S.chinensis.Methods:The chemical components of ethyl acetate extract from 70%ethanol extract from S.chinensis fruit stalk were separated,purified,and identified by liquid chromatography methods(silica gel,ODS,HPLC)and extensive spectroscopic analyses(NMR,IR,UV,MS,CD).Results:Two new nortriterpenoids,schilancitrilactone M and 25-hydroxyl schindilactone D(1 and 2),along with ten known nortriterpenoids(3-12)were isolated from the fruit stalk of S.chinensis.The isolated compounds were tested for their cytotoxic activities against MGC-803 cells,and the results showed that compounds 6-8 possessed significant activities with IC50 of 9.01,11.77,and 2.74μmol/L,respectively.Conclusion:Twelve nortriterpenoids including two new compounds were isolated from the fruit stalk of S.chinensis for the first time.Among them,compounds 6-8 showed significant anti-gastric cancer activities.We postulated that the fruit stalk of S.chinensis could be used as an anti-gastric cancer drug.
文摘Schisandra chinensis (Turcz.) Baill. is a deciduous woody vine, and belongs to the Schisandraceae family. This species is a horticultural plant with edible fruit. It is used medicinally and for making rope. It is distributed in Hebei, Heilongjiang, Jilin, Liaoning, Nei Mongol, Shanxi
文摘The ethanol-insoluble residue of Schisandra generated during lignans industrial production is usually treated as solid waste. However, there is active polysaccharide which could be used in it. In this work, the water-soluble polysaccharides from the ethanol-insoluble residue of Schisandra(ESCP) were obtained and their anti-diabetic effect was evaluated. The results indicate that ESCP could significantly reduce the blood glucose level in alloxan-induced diabetic mice. Moreover, the ESCP could significantly improve the lipid metabolism and increase the content of liver glycogen in alloxan-induced diabetic mice. The results indicate that ESCP could be developed into a potential natural hypoglycemic agent.