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- Wiley from 1991, Ingenta, Proquest, Rcgp, and CSA
Enzyme-linked immunosorbent assays in combination with semi-preparative high-performance liquid chromatography (HPLC) and analytical HPLC with mass spectroscopy in the selective ion monitoring mode were used for the determination of selected isoflavones, daidzein, genistein, biochanin A and thei...
This review summarises the most recent developments in ginseng analysis, in particular the novel approaches in sample pre-treatment and the use of high-performance liquid-chromatography-mass spectrometry. The review also presents novel data on analysing ginseng extracts by nuclear magnetic reson...
Response surface modelling, using MODDE 6 software for Design of Experiments and Optimisation, was applied to optimise supercritical fluid extraction (SFE) conditions for the extraction of indole alkaloids from the dried leaves of Catharanthus roseus. The effects of pressure (200-400 bar), tempe...
Flavonoids extracted from marigold flowers were investigated for their dyeing potential. Patulitrin (1) and patuletin (2) were isolated and their structures established using NMR and HPLC-MS. These compounds were identified as the main flavonoids present in the dyeing bath. Following the dyeing ...
Phenolic compounds (flavonoids and phenolic acid derivatives) are major active constituents of the resinous fraction of propolis, and also represent its allergenic principles. We have developed a chromatography electrospray ionisation tandem mass spectrometry (HPLC-ESI-MS/MS) method to character...
A quantitative method using HPLC-MS(2) has been developed for the determination of adonifoline, one of the retronecine-type hepatotoxic pyrrolizidine alkaloids in Senecio scandens Buch.-Ham. ex D. Don., a traditional Chinese herb. Using an orthogonal design test, a simple and rapid sample extrac...
A rapid and accurate reversed-phase liquid chromatography-tandem mass spectrometry (HPLC-MS/MS) method has been developed and validated for the quantitative determination of five flavonoid glycosides, icariin, epimedin A, epimedin B, epimedin C and hyperin in Herba Epimedii. Chromatographic sepa...
Two novel methods for the analysis of ellagic acid in pomegranate (Punica granatum) rinds are proposed. Capillary electrophoresis (CE) was performed in a bare fused-silica capillary using a buffer solution of tri(hydroxymethyl)aminomethane:potassium dihydrogen phosphate (pH 8.4) with an applied ...
A simple and accurate method involving high-performance liquid chromatography with evaporative light scattering detection was developed for the simultaneous determination of five triterpenoid saponin components in Clematis L. spp. for the first time. The analysis was performed on a Zorbax SB-C(1...