Alkaloids - Analysis
Research News and Information

Monday, November 23, 2009

[Chemical and DNA analyses for the products of a psychoactive plant, Voacanga africana]

30 Jul 2009 Voacanga africana (Apocynaceae) is a small tropical African tree. The root bark and seeds of this tree contain a number of alkaloids, including ibogaine (a hallucinogenic/aphrodisiac compound in bark), tabersonine (a major constituteent of seeds) ... Read more...

A simple method for screening and quantification of ricinine in feed with HPLC and LC-MS.

30 Jul 2009 A simple high-performance liquid chromatography (HPLC) and liquid chromatography-mass spectrometry (LC-MS) method for screening and quantification of ricinine in feeds is established for use in feed quality control. Ricinine is extracted from the ... Read more...

Analysis of myosmine, cotinine and nicotine in human toenail, plasma and saliva.

30 Jul 2009 Myosmine is a minor tobacco alkaloid with widespread occurrence in the human diet. Myosmine is genotoxic in human cells and is readily nitrosated and peroxidated yielding reactive intermediates with carcinogenic potential. For biomonitoring of ... Read more...

Latest indexed articles for 'Alkaloids - Analysis'

These are the very latest articles for this heading:

• [Chemical and DNA analyses for the products of a psychoactive plant, Voacanga africana] 30 Jul 2009
• A simple method for screening and quantification of ricinine in feed with HPLC and LC-MS. 30 Jul 2009
• Analysis of myosmine, cotinine and nicotine in human toenail, plasma and saliva. 30 Jul 2009
• Changes in Lupinus albus and Lupinus angustifolius alkaloid profiles in response to mechanical damage. 20 Jul 2009
• Use of quinoline alkaloids as markers of the floral origin of chestnut honey. 6 Jul 2009
• Venom alkaloid chemistry of Australian species of the Monomorium rothsteini complex, with particular reference to taxonomic implications. 29 Jun 2009
• Molecular analysis and chemical evaluation of ephedra plants in Mongolia. 29 Jun 2009
• Development of a sensitive high-performance liquid chromatographic method with simple extraction for simultaneous determination of huperzine A and huperzine B in the species containing lycopodium alkaloids. 29 Jun 2009
• Stability-indicating reversed-phase liquid chromatographic methods for the determination of aconitine and piperine in a polyherbal formulation. 29 Jun 2009
• Quinoline alkaloids in honey: further analytical (HPLC-DAD-ESI-MS, multidimensional diffusion-ordered NMR spectroscopy), theoretical and chemometric studies. 4 Jun 2009
• Two-dimensional RPLC-RPLC system with different pH in two dimensions for separation of alkaloids from Corydalis yanhusuo W. T. Wang. 30 May 2009
• Separation and mechanism elucidation for six structure-like matrine-type alkaloids by micellar liquid chromatography. 30 May 2009
• N-methyldecahydroquinolines: an unexpected class of alkaloids from Amazonian poison frogs (Dendrobatidae). 30 May 2009
• Simultaneous characterization of quaternary alkaloids, 8-oxoprotoberberine alkaloids, and a steroid compound in Coscinium fenestratum by liquid chromatography hybrid ion trap time-of-flight mass spectrometry. 28 May 2009
• Visualizing a plant defense and insect counterploy: alkaloid distribution in Lobelia leaves trenched by a plusiine caterpillar. 24 May 2009
• Suicidal death after injection of a castor bean extract (Ricinus communis L.). 21 May 2009
• A comprehensive metabolite profiling of Isatis tinctoria leaf extracts. 21 May 2009
• Characterization of bright tobaccos by multivariate analysis of 13C CPMAS NMR spectra. 19 May 2009
• Evaluation of wound healing activity of root of Mimosa pudica. May 2009
• 'Spice' and other herbal blends: harmless incense or cannabinoid designer drugs? 29 Apr 2009

See a longer list of these articles.

Technical information about 'Alkaloids'

Definition: Organic nitrogenous bases. Many alkaloids of medical importance occur in the animal and vegetable kingdoms, and some have been synthesized. (Grant & Hackh's Chemical Dictionary, 5th ed)

Registry Number: 0

Descriptor UI: D000470

Alternative terms: Alkaloids;

Allowable Qualifiers: administration & dosage; adverse effects; analysis; antagonists & inhibitors; biosynthesis; blood; cerebrospinal fluid; chemical synthesis; classification; diagnostic use; economics; genetics; history; immunology; isolation & purification; metabolism; pharmacokinetics; pharmacology; poisoning; radiation effects; secretion; standards; supply & distribution; therapeutic use; toxicity; urine; chemistry; contraindications; agonists;

Tree Number: D03.132;

Technical Notes: GEN or unspecified; prefer specific groups or specific alkaloid; alkaloids from specific plants go here (IM) + name of plant or PLANTS, MEDICINAL, etc.