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Determination of beta-adrenergic receptor blocking pharmaceuticals in United States wastewater effluent.
A new dammarane-type triterpene glycoside from Polyscias fulva.
A new dammarane-type triterpene glycoside, polysciasoside A (1), and three known compounds have been isolated from the leaves of Polyscias fulva. The structure of the new compound was established as…
Ephedra in perspective – a current review
- E. Abourashed, A. El-Alfy, I. Khan, L. Walker
- Political SciencePhytotherapy research : PTR
- 1 August 2003
A review of the literature on Ephedra with regard to traditional uses, botany, chemistry, analytics, pharmacological effects and health risks, and a brief discussion of the central issues in the current debate on the regulation ofEphedra in the United States.
Quantitative HPLC analysis of withanolides in Withania somnifera.
Leung's encyclopedia of common natural ingredients : used in food, drugs, and cosmetics
The author explains the science and medicine behind traditional medicine in India, as well as some of the principles behind modern medicine, using examples from China and the West.
Cassia cinnamon as a source of coumarin in cinnamon-flavored food and food supplements in the United States.
- Yan-Hong Wang, B. Avula, N. Nanayakkara, Jianping Zhao, I. Khan
- Biology, MedicineJournal of agricultural and food chemistry
- 29 April 2013
Coumarin and other marker compounds were analyzed in authenticated cinnamon bark samples as well as locally bought cinnamon samples, cinnamon-flavored foods, and cinnamon-based food supplements using a validated UPLC-UV/MS method and indicated that the cinnamon samples and the cinnamon in food supplements and flavored foods were probably Indonesian cassia, C. burmannii.
Determination of heavy metals and pesticides in ginseng products.
- I. Khan, J. Allgood, L. Walker, E. Abourashed, D. Schlenk, W. Benson
- Environmental ScienceJournal of AOAC International
- 1 May 2001
Chromium, mercury, and arsenic were undetectable above their limits of detection in both liquid and solid samples; while cadmium, lead, and nickel were present in the majority of samples; the chlorinated pesticide levels varied widely.
Banisteriopsis caapi, a unique combination of MAO inhibitory and antioxidative constituents for the activities relevant to neurodegenerative disorders and Parkinson's disease.
Determination of steroidal saponins in Tribulus terrestris by reversed-phase high-performance liquid chromatography and evaporative light scattering detection.
This paper describes the first analytical method suitable for the determination of steroidal saponins in Tribulus terrestris by using a reversed-phase column, evaporative light scattering detection, and a water/acetonitrile gradient as the mobile phase.
Epigenetic events associated with breast cancer and their prevention by dietary components targeting the epigenome.
- Shabana I. Khan, Pranapda Aumsuwan, I. Khan, L. Walker, A. Dasmahapatra
- BiologyChemical research in toxicology
- 13 January 2012
The epigenetic events associated with breast cancer and the potential of some of these bioactive dietary components to modulate these events and thus afford new therapeutic or preventive approaches are summarized.