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A novel strategy to rapidly explore potential chemical markers for the discrimination between raw and processed Radix Rehmanniae by UHPLC-TOFMS with multivariate statistical analysis.
  • S. Li, J. Song, +4 authors Hongxi Xu
  • Chemistry, Medicine
  • Journal of pharmaceutical and biomedical analysis
  • 11 March 2010
In traditional Chinese medicine, raw and processed herbs are used to treat different diseases. Suitable chemical markers are crucial for the discrimination between raw and processed herbs. In thisExpand
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Quality assessment of Radix Codonopsis by quantitative nuclear magnetic resonance.
Radix Codonopsis (Dangshen) is a famous traditional Chinese medicine and has long been used for replenishing energy deficiency, strengthening the immune system, lowering blood pressure and improvingExpand
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Decocting-induced chemical transformations and global quality of Du-Shen-Tang, the decoction of ginseng evaluated by UPLC-Q-TOF-MS/MS based chemical profiling approach.
An UPLC-Q-TOF-MS/MS based chemical profiling method was developed to evaluate decocting-induced chemical transformations in Du-Shen-Tang, the decoction of the root of Panax ginseng. Under theExpand
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Preparative isolation of hydrolysable tannins chebulagic acid and chebulinic acid from Terminalia chebula by high-speed counter-current chromatography.
As a chromatographic column, the high-speed counter-current chromatography system was equipped with a preparative HPLC series, enabling the successful isolation of hydrolysable tannins from theExpand
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A high performance liquid chromatography fingerprinting and ultra high performance liquid chromatography coupled with quadrupole time-of-flight mass spectrometry chemical profiling approach to
A high performance liquid chromatography-photodiode array detector (HPLC-PDA) fingerprinting and ultra high performance liquid chromatography-photodiode array detector coupled with quadrupoleExpand
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Gambogic acid and epigambogic acid, C-2 epimers with novel anticancer effects from Garcinia hanburyi.
Gambogic acid, usually isolated as an inseparable stereomeric mixture of C-2 epimers, was newly separated into two epimers (1 and 2) from the gamboges of Garcinia hanburyi. The stereochemistry at C-2Expand
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Characterization of protostane triterpenoids in Alisma orientalis by ultra-performance liquid chromatography coupled with quadrupole time-of-flight mass spectrometry.
  • X. Liu, S. Li, +4 authors Hongxi Xu
  • Chemistry, Medicine
  • Rapid communications in mass spectrometry : RCM
  • 15 June 2010
A reliable and sensitive ultra-performance liquid chromatography/quadrupole time-of-flight mass spectrometry (UPLC/Q-TOF-MS) method has been optimized and established for analysis of protostaneExpand
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Ultra performance liquid chromatography coupled with quadrupole time-of-flight mass spectrometric procedure for qualitative and quantitative analyses of nortriterpenoids and lignans in the genus
An ultra performance liquid chromatography (UPLC) coupled with quadrupole time-of-flight mass spectrometry (QTOF-MS) procedure is designed for the first simultaneous analysis of nortriterpenoids andExpand
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Chemical comparison of two dosage forms of Hemp Seed Pills by UHPLC-Q-ToF-MS/MS and multivariate statistical techniques.
Hemp seed soft gel capsule (HSSGC) is a modernised dosage form that is derived from a traditional Chinese patent medicine, Hemp Seed Pills (HSP). Two dosage forms claim the same therapeutic effects;Expand
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Application of microscopy in authentication of valuable Chinese medicine i—Cordyceps sinensis, its counterfeits, and related products
Light and polarized microscope was applied to authenticate 32 Cordyceps and 6 artificial counterfeits and 8 fermented Cordyceps as well as 7 Cordyceps capsules available in Hong Kong markets. ResultsExpand
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