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Intense uplift of the Qinghai-Tibetan Plateau triggered rapid diversification of Phyllolobium (Leguminosae) in the Late Cenozoic
Phyllolobium is characterised as a recently diversified genus adapted to the cold and dry habitats of the QTP and its environs, and rapid diversification was likely triggered by consecutive phases of QTP uplift in the Late Pliocene and the Early-to-Mid Pleistocene. Expand
Phylogenetic origin of Phyllolobium with a further implication for diversification of Astragalus in China.
Molecular dating suggested that Phyllolobium and Astragalus s.s. originated around 8 and 10 million years ago, which are highly consistent with the intense uplifts of the Qinghai-Tibetan Plateau inferred from geological evidence. Expand
Matrix solid-phase dispersion extraction for chromatographic analysis of labdane diterpenoids in Coleus forskohlii.
The proposed MSPD method had the advantages of combining extraction and clean-up into a single step, consuming less time and requiring lower solvent volumes, compared with other extraction methods. Expand
Comprehensive identification of minor components and bioassay-guided isolation of an unusual antioxidant from Azolla imbricata using ultra-high performance liquid chromatography-quadrupole
An efficient approach using ultra-high performance liquid chromatography-quadrupole time-of-flight tandem mass spectrometry-QTOF-MS/MS combined with multicomponent knockout and bioactivity evaluation was developed to obtain more information about the bioactive constituents in A. imbricata. Expand
Microwave-assisted extraction of bioactive alkaloids from Stephania sinica
Abstract A microwave-assisted extraction method was developed for the extraction of four bioactive alkaloids from Stephania sinica , and the quantification of the alkaloids was achieved by HPLC. TheExpand
Molecular phylogeny of Chinese Stephania (Menispermaceae) and reassessment of the subgeneric and sectional classifications
The first molecular phylogeny of the genus Stephania is presented, focusing on the species occurring in China on the basis of nuclear (internal transcribed spacer, ITS) and chloroplast (trnL–F) markers sequenced from 29 species of Stephania, showing that S. subgenus Stephania and S.subgenus Tuberiphania are not monophyletic. Expand
Identification of Alkaloids in Stephania hainanensis by Liquid Chromatography Coupled with Quadrupole Time-of-flight Mass Spectrometry.
The LC-QTOF-MS/MS method enabled profiling and rational, but tentative, identification of diverse alkaloids in Stephania hainanensis and may be helpful for understanding the bioactivity of S. hainansensis and evaluating the quality of this plant. Expand
DNA barcodes for the identification of Stephania (Menispermaceae) species
It is demonstrated that DNA barcoding is an efficient method to identify Stephania species and recommended that the ITS+psbA-trnH combination is the best DNA barcode for the identification of Stephaniaspecies. Expand
Structural Characterisation of Alkaloids in Leaves and Roots of Stephania kwangsiensis by LC-QTOF-MS.
This study further clarified the chemical constituents in the roots of S. kwangsiensis, and revealed that diverse alkaloids were also present in the leaves. Expand
Microwave-Assisted Extraction Followed by Solid-Phase Extraction for the Chromatographic Analysis of Alkaloids in Stephania cepharantha.
  • Y. Liu, D. Xie, +4 authors J. Huang
  • Chemistry, Medicine
  • Journal of chromatographic science
  • 1 April 2016
The validated MAE-SPE-HPLC method is specific, accurate and applicable to the determination of alkaloids in S. cepharantha. Expand