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Diterpenoids from Isodon species and their biological activities.
Isodon species (Labiatae) are widely distributed plants, many of which are used in folk medicine, and have received considerable phytochemical and biological attention over the past twenty years. Expand
Chemical fingerprint and quantitative analysis of fructus psoraleae by high-performance liquid chromatography.
  • C. Qiao, Q. Han, +4 authors H. Xu
  • Chemistry, Medicine
  • Journal of separation science
  • 1 April 2007
In this study, an improved and comprehensive HPLC fingerprint of Fructus Psoraleae was established and two important new benzofuran glycosides, psoralenosides and isopsoralenoside, were identified as characteristic constituents for the first time. Expand
Quality assessment of Radix Codonopsis by quantitative nuclear magnetic resonance.
The described NMR method is found to be relatively simple, specific, precise and accurate for the quality control of Radix Codonopsis herbs and no reference compounds are required for calibration curves, in comparison to conventional HPLC methods, for instance. Expand
Authentication and quantitative analysis on the chemical profile of cassia bark (cortex cinnamomi) by high-pressure liquid chromatography.
It is suggested that five characteristic peaks by HPLC are suitable for distinguishing genuine cassia bark from the adulterants and could be applied in the quality control of this commodity. Expand
Separation, structure characterization, conformation and immunomodulating effect of a hyperbranched heteroglycan from Radix Astragali
Abstract A water soluble polysaccharide (RAP) was isolated and purified from Radix Astragali and its structure was elucidated by monosaccharide composition, partial acid hydrolysis and methylationExpand
Chemical profiling of Radix Paeoniae evaluated by ultra-performance liquid chromatography/photo-diode-array/quadrupole time-of-flight mass spectrometry.
It could be concluded that UPLC-PDA-QTOFMS based chemical profiling is a powerful approach for the global quality evaluation of Radix Paeoniae as well as other herbal medicines. Expand
Chemistry, bioactivity and quality control of Dendrobium, a commonly used tonic herb in traditional Chinese medicine
The fresh or dried stems of many Dendrobium species are well known as one of the most expensive tonics in traditional Chinese medicine. Documented as a “superior grade” herbal medicine in the ancientExpand
TLR-4 may mediate signaling pathways of Astragalus polysaccharide RAP induced cytokine expression of RAW264.7 cells.
It has been found that RAP itself did not have any cytotoxic effect on mouse mammary carcinoma 4T1 cells, but it significantly enhanced cytotoxicity of the supernatant of RAW264.7 cells, suggesting that TLR4 is a receptor of RAP and mediates its immunomodulating activity. Expand
Proteomic identification of molecular targets of gambogic acid: Role of stathmin in hepatocellular carcinoma
STMN1 might be a major target for GA and GEA in combating HCC, which may lead to a new generation of anticancer drugs exerting synergistic effect with conventional therapy, thus to promote treatment efficacy. Expand
Ent-kaurane diterpenoids from Isodon rubescens var. lushanensis.
Four new ent-kaurane diterpenoids lushanrubescensins F-I were isolated from Isodon rubescens var. Expand