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AIM To study the chemical constituents of Paeonia lactiflora. METHODS The constituents of P. lactiflora were separated by using various kinds of modern chromatography and was identified its structure on the basis of spectral analysis. RESULTS A monoterpene glucoside named albiflorin R1 was isolated from the roots of Paeonia lactiflora Pall. In the(More)
Four kinds of mitochondrial plasmid-like DNA, designated pC1, pC2, pC3 and pC4, have been found in cucumber (Jinyan No. 4). Their distribution in 14 Cucumber varieties was analyzed. Plasmid-like DNAs were detected in Jinchun No. 2, Jinchun No. 5, Jinxinmici, Jinlu No. 4 and Jinyan No. 4, and the rest 9 varieties contained no plasmid-like DNAs, suggesting(More)
OBJECTIVE To establish an optimum enrichment and purification process of total flavonoids in Microcos paniculata by macroporous resins. METHODS Five kinds of resins were compared and the best one was chosen. Then the parameters of the process were optimized by single factor tests, uniform design and statistical methods. RESULTS DI01 was selected for its(More)
To prepare the hawthorn leaves flavonoids self-microemulsifying membrane controlled-release coated drop pill, and to study its release rate in vitro and pharmacokinetics study in vivo. In order to improve the dissolution of hawthorn leaves flavonoids, self-microemulsifying technology was used to prepare the hawthorn leaves flavonoids self-microemulsion.(More)
We explored the protective effect of ischemia preconditioning (IP) on ischemia-reperfusion injury in rat liver transplantation. An orthotopic liver transplantation model was utilized in the study. A total of 54 Sprague-Dawley rats were divided into a control group (group A, no liver transplantation), liver transplantation group (group B, heparin Ringer's(More)
Four kinds of plasmid-like DNA, designated pC1, pC2, pC3 and pC4 were found in the mitochondrion of cucumber Jinyan No. 4. The circle plasmid-like DNA pC1 was cloned into the EcoR I site of pUC19 using E. coli JM109 as host. The cloned pC1 DNA was isolated and used as probes in Southern analyses of total mitochondrial DNA, nuclear DNA and chloroplast DNA.(More)
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