The volatile oil of Calophyllum inophyllum Linn.in twigs was extracted with the steam distillation and analysed by GC-MS.Twenty-six compounds were characterized.The major constituents were identified as δ-amorphene(1...The volatile oil of Calophyllum inophyllum Linn.in twigs was extracted with the steam distillation and analysed by GC-MS.Twenty-six compounds were characterized.The major constituents were identified as δ-amorphene(14.63%),β-caryophyllene(13.13%),γ-cadinene(10.22%),α-caryophyllene(8.87%),α-farnesene(7.80%),etc.展开更多
Cephalomappa sinensis(Euphorbiaceae) is a monotypic genus ever-green tree endemic to the calcareous mountainous region in southwest of Guangxi Zhuang Autonomous Region.Its fresh branches are used as feeding stuff for ...Cephalomappa sinensis(Euphorbiaceae) is a monotypic genus ever-green tree endemic to the calcareous mountainous region in southwest of Guangxi Zhuang Autonomous Region.Its fresh branches are used as feeding stuff for cattle,horse,sheep,and can make them strong.To find the possibility of developing feed additive or medicine for livestock,the chemical constituents from this plant were studied.The chemical constituents of its roots had been reported in our earlier papers.In continuation of our investigation on the branches of Cephalomappa sinensis,a new norneolignan,named Ceplignan(1),was isolated from ethanol extract through column chromatography.The structure was elucidated on the basis of spectroscopic evidence.展开更多
基金Foundation items:National Basic Research Program of China(Grant No.2007CB 116306)Science and Technology Foundation of Chinese Academy of Tropical Agricultural Sciences(Grant No.RKY0726)National Nonproft Institute Research Grant of CATAS-ITBB(Grant No.ITBBZDO743).
文摘The volatile oil of Calophyllum inophyllum Linn.in twigs was extracted with the steam distillation and analysed by GC-MS.Twenty-six compounds were characterized.The major constituents were identified as δ-amorphene(14.63%),β-caryophyllene(13.13%),γ-cadinene(10.22%),α-caryophyllene(8.87%),α-farnesene(7.80%),etc.
文摘Cephalomappa sinensis(Euphorbiaceae) is a monotypic genus ever-green tree endemic to the calcareous mountainous region in southwest of Guangxi Zhuang Autonomous Region.Its fresh branches are used as feeding stuff for cattle,horse,sheep,and can make them strong.To find the possibility of developing feed additive or medicine for livestock,the chemical constituents from this plant were studied.The chemical constituents of its roots had been reported in our earlier papers.In continuation of our investigation on the branches of Cephalomappa sinensis,a new norneolignan,named Ceplignan(1),was isolated from ethanol extract through column chromatography.The structure was elucidated on the basis of spectroscopic evidence.
