Use of high-performance liquid chromatography-tandem mass spectrometry to distinguish Panax ginseng C. A. Meyer (Asian ginseng) and Panax quinquefolius L. (North American ginseng).
LC-MS-MS analysis of ginseng products for the presence and ratio of gINSenoside Rf and 24(R)-pseudoginsenoside F11 may be used for the unambiguous identification of Asian and North American ginsenengs.
Parthenolide Content and Bioactivity of Feverfew (Tanacetum parthenium (L.) Schultz‐Bip.). Estimation of Commercial and Authenticated Feverfew Products
- S. Heptinstall, D. Awang, B. Dawson, D. Kindack, D. W. Knight, J. May
- Chemistry, MedicineThe Journal of pharmacy and pharmacology
- 1 May 1992
It is suggested that manufacturers of feverfew products should use measurements of parthenolide as a means of standardization and quality control, since therapeutic efficacy has only been demonstrated for preparations of Feverfew that contain parthensolide.
A quantitative HPLC method for the quality assurance of Echinacea Products on the North American market
A rapid and quantitative method of quality assurance for marker phytochemicals in products containing material derived from Echinacea species has been developed. In order to assess the efficiency of…
Herbal interactions with cardiovascular drugs.
Herbal medicines may mimic, decrease, or increase the action of prescribed drugs, which can be especially important for drugs with narrow therapeutic windows and in sensitive patient populations such as older adults, the chronically ill, and those with compromised immune systems.
Factors Affecting Echinacea Quality
How factors such as growing conditions, geographic origins, diseases and pests, choice of the plant organ, and harvesting age as well as the species contribute to the variations in the quality of different Echinacea species is examined.
Parthenolide content of feverfew (Tanacetum parthenium) assessed by HPLC and 1H-NMR spectroscopy
Phytochemistry, toxicology, and food potential of velvetbean (Mucuna Adans. spp., Fabaceae)
13C NMR of lapachol and some related naphthoquinones
13C NMR chemical shift assignments for lapachol and nine related naphthoquinones have been measured and interpreted. Data, based on the results of a number of 1D and 2D experiments performed at 9.4…
Effect of temperature on stability of marker constituents in Echinacea purpurea root formulations.