Chemical Constituents from the Rhizomes of Smilax glabra and Their Antimicrobial Activity
The results indicated that these antimicrobial constituents of this crude drug might be responsible for its clinical antimicrobial effect.
The profiling and identification of the absorbed constituents and metabolites of Paeoniae Radix Rubra decoction in rat plasma and urine by the HPLC-DAD-ESI-IT-TOF-MS(n) technique: a novel strategy…
Detection of 191 Taxifolin Metabolites and Their Distribution in Rats Using HPLC-ESI-IT-TOF-MSn
This is the first report of the in vivo biotransformation of a single compound into more than 100 metabolites and indicates that taxifolin is bioactive not only in the parent form, but also through its metabolites.
Trollioside, a new compound from the flowers of Trollius chinensis
A new compound, named trollioside, together with nine known compounds, proglobeflowery acid, isoswertisin, isoswertiajaponin, cirsimaritin, veratric acid, vitexin, orientin, β-sitosterol and…
Comparative analysis of two species of Asari Radix et Rhizoma by electronic nose, headspace GC-MS and chemometrics.
The profiling and identification of the metabolites of (+)-catechin and study on their distribution in rats by HPLC-DAD-ESI-IT-TOF-MS(n) technique.
The in vivo metabolic reactions of (+)-catechin in rats were found to be ring-cleavage, sulfation, glucuronidation, methylation, dehydroxylation and dehydrogenation, and it was indicated that small intestine, kidney and liver were the major organs for the distribution of (+- catechin metabolites.
Comparison of contents of five ephedrine alkaloids in three official origins of Ephedra Herb in China by high-performance liquid chromatography
A fast and economical HPLC method is developed, and applied for the determination of norephedrine, norpseudoephedrin, ephedrine (E), pseudoephedrine(PE) and methylephedrin (ME) in 64 samples of three species from main habitats in China.
[Identification of chemical constituents in Scrophulariae Radix by HPLC-IT-TOF-MS].
Two new compounds (4-hydroxy-6-O-methylcatalpol and acetylangoroside C) and seventeen known compounds were detected from Scrophulariae Radix for the first time.
ABSORPTION AND METABOLISM OF ASTRAGALI RADIX DECOCTION: IN SILICO, IN VITRO, AND A CASE STUDY IN VIVO
It is demonstrated that the flavonoids in Astragali Radix decoction, including is oflavones, pterocarpans, and isoflavans, could be absorbed and metabolized by the intestine during absorption.