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Topic: High performance liquid chromatography


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  WHFoods: Blueberries
Similar to blueberry, spinach leaves also contain high levels of antioxidants flavonoids, p-coumaric acid, 9-cis-β-carotene, and other water-soluble natural antioxidants.
In addition to containing ellagic acid, blueberries are high in the soluble fiber pectin, which has been shown to lower cholesterol and to prevent bile acid from being transformed into a potentially cancer-causing form.
Identification of procyanidins and anthocyanins in blueberries and cranberries (vaccinium spp.) using high-performance liquid chromatography/mass spectrometry.
www.whfoods.com /genpage.php?tname=foodspice&dbid=8   (3267 words)

  
 Acupuncture For Women - in Dallas TX, a natural approach to infertility, IVF/IUI enhancement & women's health and ...
STANDARDIZED EXTRACT: Herbal extraction processes for standardized extracts often use toxic solvents (i.e., acetones and hexanes) and high heat to yield a high content of one active ingredient.
Standardized full-spectrum extracts are highly concentrated using a low-temperature vacuum evaporation process, which preserves the integrity of all the active compounds present.
Through extraction, the full spectrum of active constituents is retained and the overall affect mimics that of decoctions because the extracts contain the full range of constituents naturally found in fresh herbs.
www.acupuncture4women.com /Page_qa.asp   (2188 words)

  
 ConsumerLab.com - independent tests of herbal, vitamin, and mineral supplements
Parties wishing to engage ConsumerLab.com's research staff to perform special purpose testing, analyses, or consulting should contact research@consumerlab.com.
These criteria must be met to be considered Approved by CL. If a manufacturer seeks to use the CL Seal of Approval, the product will be tested for these criteria every twelve months based on a random sample purchased on the open market.
Gas chromatography with detection by FID (flame ionization detector), ECD (electron capture detector) and MS or MS/MS HPLC (high performance liquid chromatography) in conjunction with a variety of detection methods including IR (infra-red), photodiode array, ELSD (evaporative light scatter detector), MS (mass spectroscopy), and MS/MS (tandem mass spectroscopy)
www.consumerlabs.com /aboutcl.asp   (1734 words)

  
 Martindale's Chemistry Center: Analytical Chemistry
HIGH PERFORMANCE LIQUID CHROMATOGRAPHY (HPLC) - Authors: Y. Kazakevich & H.M. McNair, and hosted by the Analytical Chemistry Group, Department of Chemistry and Biochemistry, Seton Hall University VERY VERY VERY...EXTENSIVE.
"...High Performance Liquid Chromatography (HPLC) is one mode of chromatography, the most widely used analytical technique.
HPLC Simulation "...uses a purely equilibrium model for chromatography to simulate the separation of two compounds.
www.martindalecenter.com /GradChemistry_4_A.html   (2340 words)

  
 Umeå University - Analytical Chemistry - Recent Publications
Hänström S., Briche C., Emteborg H., Baxter D.C. Large-volume injections in capillary gas chromatography using a separately heated packed pre-column: application to mercury speciation in natural water.
Snell J.P., Frech W., Thomassen Y. Performance improvements in the determination of mercury species in natural gas condensate using an on-line amalgamation trap or solid-phase micro-extraction with capillary gas chromatography-microwave-induced plasma atomic emission spectrometry.
Viklund C., Svec F., Fréchet J.M.J., Irgum K. Monolithic "molded", porous materials with high flow characteristics for separations, catalysis, or solid-phase chemistry: control of porous properties during polymerization.
www.anachem.umu.se /pub.htm   (1517 words)

  
 NIST Office of Law Enforcement Standards Standard Reference Materials
"Determination of Capsaicin, Dihdrocapsaicin, and nonivamide in self-defense weapons by liquid chromatography-mass spectrometry and liquid chromatography-tandem mass spectrometry", Journal of Chromatography A, Vol.
"Detection of Pepper Spray Residues on Fabrics Using Liquid Chromatography-Mass Spectrometry," J. Forensic Sci.
"Genotyping of two mutations in the HFE gene using single-base extension and high-performance liquid chromatography," Anal.
www.eeel.nist.gov /810.02/oles_journal_publications.html   (727 words)

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