Two new neolignans selaginellol(1)and selaginellol 4'-O-β-D-glucopyranoside(2),together with seven known compounds(3–9),were isolated from the whole plant of Selaginella moellendorffii.The structures of the new ...Two new neolignans selaginellol(1)and selaginellol 4'-O-β-D-glucopyranoside(2),together with seven known compounds(3–9),were isolated from the whole plant of Selaginella moellendorffii.The structures of the new isolates were determined through spectroscopic data analysis.Compounds 1–9,as well as compounds 10–18 previously isolated from the species,were measured for the activity against platelet aggregation induced by ADP or collagen.Three neoligans(8,11,and 12),one flavanone(14),and one alkaloid(16)showed inhibitory activity against ADP-or collagen-induced platelet aggregation as compared with tirofiban.The dihydrobenzofuran neolignans(8,11,and 12)are more potent than the benzofuran neolignan(13)and other types of neolignans(1–7).Glucosidation of the dihydrobenzofuran neolignans(11 and 12)is helpful for the activity.Graphical Abstract Two new neolignans selaginellol(1)and selaginellol 40-O-b-D-glucopyranoside(2)were isolated from the whole plant of Selaginella moellendorffii.Several compounds from this plant showed the activity against platelet aggregation induced by ADP or collagen.展开更多
作者对窄膜棘豆 (OxytropismoellendorffiiBunge)的分类学处理提出了新的观点 :通过对原产地标本、资料的研究 ,认为五台山棘豆 (O .wutaiensisTatewakietHurusawa )实际上是窄膜棘豆 (O .moellendorffiiBunge) ,对其变种 (O .wu taiens...作者对窄膜棘豆 (OxytropismoellendorffiiBunge)的分类学处理提出了新的观点 :通过对原产地标本、资料的研究 ,认为五台山棘豆 (O .wutaiensisTatewakietHurusawa )实际上是窄膜棘豆 (O .moellendorffiiBunge) ,对其变种 (O .wu taiensisTatewakietHurusawavar.glabrataTatewakietHurusawa )也进行了归并 ;另外本文中发表一个新等级———西灵山棘豆 (O .moellendorffiiBungevar.sylin chanensis (Franch .)G .Z .Qian)。展开更多
Taking annual Heracl'eum moellendorffii Hance as the material,this research studied the epidemic dynamics of H.moellendorffii Hance powdery mildew and plant growth by using the interactive methods of soil moisture...Taking annual Heracl'eum moellendorffii Hance as the material,this research studied the epidemic dynamics of H.moellendorffii Hance powdery mildew and plant growth by using the interactive methods of soil moisture and soil organic matter.The results showed that the interaction of higher soil moisture content(60%-80%)and soil organic matter content(75-100 g•kg^(-1))had few diseases,dosease index and area under disease progression curve(AUDPC)compared with those of other treatments,thus could effectivley control powdery mildew disease.Moreover,higher soil moisture and organic matter content increased the yield,contents of soluble sugar,soluble protein,vitamin C and coumarin in H.moellendorffii Hance.展开更多
[Objectives]This study was conducted to investigate the quality standard of Heracleum moellendorffii Hance.,so as to provide data support for the 2003 version of Quality Standards for Chinese Medicinal Materials and E...[Objectives]This study was conducted to investigate the quality standard of Heracleum moellendorffii Hance.,so as to provide data support for the 2003 version of Quality Standards for Chinese Medicinal Materials and Ethnic Medicinal Materials in Guizhou Province.[Methods]H.moellendorffii was subjected to character identification and microscopic identification.Referring to Chinese Pharmacopoeia,TCL thin-layer identification and extract determination were carried out on 10 batches of H.moellendorffii from 6 habitats in Guizhou.[Results]The characters and microscopic characteristics of H.moellendorffii were described in detail.The TLC thin-layer identification spots were clear,with strong specificity.The limit of the medicinal material extract was determined to be not less than 22.0%.[Conclusions]This study can provide data support for the quality evaluation and standard improvement of the medicinal material H.moellendorffii.展开更多
This study reports an investigation into the chemical constituents of the whole plant of Selaginella moellendorffii Hieron.Ten compounds,isolated and purified by column chromatography,were identified on the basis of s...This study reports an investigation into the chemical constituents of the whole plant of Selaginella moellendorffii Hieron.Ten compounds,isolated and purified by column chromatography,were identified on the basis of spectral analysis and their physicochemical properties to be:(8R)-3,5-dimethoxy-4-hydroxyphenylpropylalcohol-8-(1-acetyl-3-methoxy-4-hydroxyphenyl)-9-O-b-D-glucopyranoside(moellenoside B)(1),amentoflavone(2),hinokiflavone(3),apigenin-7-O-bneohesperidoside(4),apigenin-8-C-b-D-glucopyranoside(5),adenosine(6),uridine(7),2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid(8),vanillic acid(9),and lariciresinol(10).Compound 1 is a new norlignan lignanoside and compounds 4–10 were isolated from this plant for the first time.展开更多
基金This work was funded by the Ministry of Science&Technology of China(2012FY110300)the National Natural Science Foundation of China(3116140345)the Minzu University of China(YLDX01013,2015MDTD16C).
文摘Two new neolignans selaginellol(1)and selaginellol 4'-O-β-D-glucopyranoside(2),together with seven known compounds(3–9),were isolated from the whole plant of Selaginella moellendorffii.The structures of the new isolates were determined through spectroscopic data analysis.Compounds 1–9,as well as compounds 10–18 previously isolated from the species,were measured for the activity against platelet aggregation induced by ADP or collagen.Three neoligans(8,11,and 12),one flavanone(14),and one alkaloid(16)showed inhibitory activity against ADP-or collagen-induced platelet aggregation as compared with tirofiban.The dihydrobenzofuran neolignans(8,11,and 12)are more potent than the benzofuran neolignan(13)and other types of neolignans(1–7).Glucosidation of the dihydrobenzofuran neolignans(11 and 12)is helpful for the activity.Graphical Abstract Two new neolignans selaginellol(1)and selaginellol 40-O-b-D-glucopyranoside(2)were isolated from the whole plant of Selaginella moellendorffii.Several compounds from this plant showed the activity against platelet aggregation induced by ADP or collagen.
基金Supported by the National Key Research and Development Program of China(2016YFC0500307-06)。
文摘Taking annual Heracl'eum moellendorffii Hance as the material,this research studied the epidemic dynamics of H.moellendorffii Hance powdery mildew and plant growth by using the interactive methods of soil moisture and soil organic matter.The results showed that the interaction of higher soil moisture content(60%-80%)and soil organic matter content(75-100 g•kg^(-1))had few diseases,dosease index and area under disease progression curve(AUDPC)compared with those of other treatments,thus could effectivley control powdery mildew disease.Moreover,higher soil moisture and organic matter content increased the yield,contents of soluble sugar,soluble protein,vitamin C and coumarin in H.moellendorffii Hance.
基金Science and Technology Innovation Platform Construction Project of Anshun City(ASKP[2017]03).
文摘[Objectives]This study was conducted to investigate the quality standard of Heracleum moellendorffii Hance.,so as to provide data support for the 2003 version of Quality Standards for Chinese Medicinal Materials and Ethnic Medicinal Materials in Guizhou Province.[Methods]H.moellendorffii was subjected to character identification and microscopic identification.Referring to Chinese Pharmacopoeia,TCL thin-layer identification and extract determination were carried out on 10 batches of H.moellendorffii from 6 habitats in Guizhou.[Results]The characters and microscopic characteristics of H.moellendorffii were described in detail.The TLC thin-layer identification spots were clear,with strong specificity.The limit of the medicinal material extract was determined to be not less than 22.0%.[Conclusions]This study can provide data support for the quality evaluation and standard improvement of the medicinal material H.moellendorffii.
基金supported by the National Natural Science Foundation of China(81073034)National Key Technologies R&D Program of China(2009ZX09103-440)Major Public Research Project of Henan Province(081100910800)。
文摘This study reports an investigation into the chemical constituents of the whole plant of Selaginella moellendorffii Hieron.Ten compounds,isolated and purified by column chromatography,were identified on the basis of spectral analysis and their physicochemical properties to be:(8R)-3,5-dimethoxy-4-hydroxyphenylpropylalcohol-8-(1-acetyl-3-methoxy-4-hydroxyphenyl)-9-O-b-D-glucopyranoside(moellenoside B)(1),amentoflavone(2),hinokiflavone(3),apigenin-7-O-bneohesperidoside(4),apigenin-8-C-b-D-glucopyranoside(5),adenosine(6),uridine(7),2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid(8),vanillic acid(9),and lariciresinol(10).Compound 1 is a new norlignan lignanoside and compounds 4–10 were isolated from this plant for the first time.
