Gas chromatographic-mass spectrometric analysis of d-limonene in human plasma. 2007

Shurong Wang, and Yu Chen, and Zhaoxia Gao, and Meijin Xiong, and Zhirong Zhong, and Liming Ye
Department of Pharmacy, Affiliated Hospital of Luzhou Medical College, Luzhou 646000, PR China.

d-Limonene shows carminative and cholagogue effects and is used in treatment of gallstone, cholecystitis and angiocholitis. A simple method was developed to determine the concentration of d-limonene in human plasma. d-Limonene and internal standard (naphthalane, C(10)H(18)) were extracted with n-hexane and then injected to GC-MS. Calibration curves were linear (r=0.9990, n=6) in the range of 2-500 ng/ml for d-limonene in human plasma. Limit of detection and quantification were 0.5 and 2 ng/ml, respectively. This rapid and specific method was applied to the clinical pharmacokinetic investigation of d-limonene.

UI MeSH Term Description Entries
D008297 Male Males
D008401 Gas Chromatography-Mass Spectrometry A microanalytical technique combining mass spectrometry and gas chromatography for the qualitative as well as quantitative determinations of compounds. Chromatography, Gas-Liquid-Mass Spectrometry,Chromatography, Gas-Mass Spectrometry,GCMS,Spectrometry, Mass-Gas Chromatography,Spectrum Analysis, Mass-Gas Chromatography,Gas-Liquid Chromatography-Mass Spectrometry,Mass Spectrometry-Gas Chromatography,Chromatography, Gas Liquid Mass Spectrometry,Chromatography, Gas Mass Spectrometry,Chromatography, Mass Spectrometry-Gas,Chromatography-Mass Spectrometry, Gas,Chromatography-Mass Spectrometry, Gas-Liquid,Gas Chromatography Mass Spectrometry,Gas Liquid Chromatography Mass Spectrometry,Mass Spectrometry Gas Chromatography,Spectrometries, Mass-Gas Chromatography,Spectrometry, Gas Chromatography-Mass,Spectrometry, Gas-Liquid Chromatography-Mass,Spectrometry, Mass Gas Chromatography,Spectrometry-Gas Chromatography, Mass,Spectrum Analysis, Mass Gas Chromatography
D008657 Metabolic Clearance Rate Volume of biological fluid completely cleared of drug metabolites as measured in unit time. Elimination occurs as a result of metabolic processes in the kidney, liver, saliva, sweat, intestine, heart, brain, or other site. Total Body Clearance Rate,Clearance Rate, Metabolic,Clearance Rates, Metabolic,Metabolic Clearance Rates,Rate, Metabolic Clearance,Rates, Metabolic Clearance
D012015 Reference Standards A basis of value established for the measure of quantity, weight, extent or quality, e.g. weight standards, standard solutions, methods, techniques, and procedures used in diagnosis and therapy. Standard Preparations,Standards, Reference,Preparations, Standard,Standardization,Standards,Preparation, Standard,Reference Standard,Standard Preparation,Standard, Reference
D002138 Calibration Determination, by measurement or comparison with a standard, of the correct value of each scale reading on a meter or other measuring instrument; or determination of the settings of a control device that correspond to particular values of voltage, current, frequency or other output. Calibrations
D004355 Drug Stability The chemical and physical integrity of a pharmaceutical product. Drug Shelf Life,Drugs Shelf Lives,Shelf Life, Drugs,Drug Stabilities,Drugs Shelf Life,Drugs Shelf Live,Life, Drugs Shelf,Shelf Life, Drug,Shelf Live, Drugs,Shelf Lives, Drugs
D005615 Freezing Liquids transforming into solids by the removal of heat. Melting
D006207 Half-Life The time it takes for a substance (drug, radioactive nuclide, or other) to lose half of its pharmacologic, physiologic, or radiologic activity. Halflife,Half Life,Half-Lifes,Halflifes
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000077222 Limonene A naturally-occurring class of MONOTERPENES which occur as a clear colorless liquid at room temperature. Limonene is the major component in the oil of oranges which has many uses, including as flavor and fragrance. It is recognized as safe in food by the Food and Drug Administration (FDA). (+)-(R)-4-isopropenyl-1-methylcyclohexene,(+)-Limonene,(-)-Limonene,(4R)-1-methyl-4-(1-methylethenyl)cyclohexene,(4S)-1-methyl-4-isopropenylcyclohex-1-ene,(D)-Limonene,(R)-(+)-Limonene,(R)-4-isopropenyl-1-methylcyclohexene,1-Methyl-4-(1-methylethenyl)cyclohexene,4-Mentha-1,8-diene,AISA 5203-L (+)Limonene,Cyclohexene, 1-methyl-4-(1-methylethenyl)-, (4R)-,Dipentene,Limonene, (+)-,Limonene, (+-)-,Limonene, (+-)-isomer,Limonene, (R)-isomer,Limonene, (S)-isomer,d-Limonene,4 Mentha 1,8 diene,d Limonene

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