SPECTROPHOTOMETRIC DETERMINATION OF MELATONIN AND PYRIDOXINE HCL IN BINARY MIXTURE USING FIRST DERIVATIVE OF THE RATIO SPECTRA METHOD

REFERENCES

• Hardman , J.G. , Limbird , L.E. , Molinhoff , P.B. and Ruddon , R.W. , eds. 1996 . Goodman & Gilman's The Pharmacological Basis of Therapeutics, , 9th Ed. New York : Mc Graw-Hill Companies Inc. . CD-ROM
   Google Scholar
• Reynolds , J.E.F. , ed. 1996 . Martindale, The Extra Pharmacopoeia, , 31st Ed. 1384, 1724 London : The Pharmaceutical Press .
   Google Scholar
• Hamase , K. , Tomita , T. , Kiyomizu , A. and Zaitsu , K. 2000 . Determination of Pineal Melatonin by Precolumn Derivatization Reversed-Phase High-Performance Liquid Chromatography and Its Application to the Study of Circadian Rhythm in Rats and Mice . Anal. Biochem. , 279 : 106 – 110 .
   PubMed Web of Science ®Google Scholar
• Iinuma , F. , Hamase , K. , Matsubayashi , S. , Takahashi , M. , Watanabe , M. and Zaitsu , K. 1999 . Sensitive Determination of Melatonin by Precolumn Derivatization and Reversed-Phase High Performance Liquid Chromatography . J. Chromatogr. A , 835 : 67 – 72 .
   PubMed Web of Science ®Google Scholar
• Raggi , M.A. , Bugamelli , F. and Pucci , V. 2002 . Determination of Melatonin in Galenic Preparations by LC and Voltammetry . J. Pharm. Biomed. Anal. , 29 : 283 – 289 .
   PubMed Web of Science ®Google Scholar
• Rizzo , V. , Porta , C. , Moroni , M. , Scoglio , E. and Moratti , R. 2002 . Determination of Free and Total (Free Plus Protein-Bound) Melatonin in Plasma and Cerebrospinal Fluid by High-Performance Liquid Chromatography with Fluorescence Detection . J. Chromatogr. B , 774 : 17 – 24 .
   PubMed Web of Science ®Google Scholar
• Sastre Torano , J. , Rijn-Bikker , P.V. , Merkus , P. and Guchelaar , H.J. 2000 . Quantitative Determination of Melatonin in Human Plasma and Cerebrospinal Fluid with High-Performance Liquid Chromatography and Fluorescence Detection . Biomed. Chromatogr. , 14 : 306 – 310 .
   PubMed Web of Science ®Google Scholar
• Grippa , E. , Pavone , F. , Gatto , M.T. , Petrucci , R. , Marrosu , G. , Silvestrini , B. and Saso , L. 2000 . In Vitro Evaluation of Antioxidant Activity by Electrophoresis and High Performance Liquid Chromatography . Biochimica et Biophysica Acta , 1524 : 171 – 177 .
   PubMed Web of Science ®Google Scholar
• Hartter , S. , Morita , S. , Bodin , K. , Ursing , C. , Tybring , G. and Bertilsson , L. 2001 . Determination of Exogenous Melatonin and Its 6-Hydroxy Metabolite in Human Plasma by Liquid Chromatography-Mass Spectrometry . Ther. Drug Monit. , 23 : 282 – 286 .
   PubMed Web of Science ®Google Scholar
• Kulczykowska , E. and Iuvone , P.M. 1998 . Highly Sensitive and Spesific Assay of Plasma Melatonin Using High-Performance Liquid Chromatography with Fluorescence Detection Preceded by Solid-Phase Extraction . J. Chromatogr. Sci. , 36 : 175 – 178 .
   PubMed Web of Science ®Google Scholar
• Chanut , E. , Nguyen-Legros , J. , Versaux-Botteri , C. , Trouvin , J.H. and Launay , J.M. 1998 . Determination of Melatonin in Rat Pineal, Plasma, and Retina by High-Performance Liquid Chromatography with Electrochemical Detection . J. Chromatogr. B , 709 : 11 – 18 .
   PubMed Web of Science ®Google Scholar
• Nunez-Vergara , L.J. , Squella , J.A. , Sturm , J.C. , Baez , H. and Camargo , C. 2001 . Simultaneous Determination of Melatonin and Pyridoxine in Tablets by Gas Chromatography-Mass Spectrometry . J. Pharm. Biomed. Anal. , 26 : 929 – 938 .
   PubMed Web of Science ®Google Scholar
• Covaci , A. , Doneanu , C. , Aboul-Enein , H.Y. and Schepens , P. 1999 . Determination of Melatonin in Pharmaceutical Formulations and Human Plasma by Gas Chromatography-Electron Impact Mass Spectrometry . Biomed. Chromatogr. , 13 : 431 – 436 .
   PubMed Web of Science ®Google Scholar
• Aboul-Enein , H.Y. , Doneanu , C. and Covaci , A. 1999 . Capillary GC-MS Determination of Melatonin in Several Pharmaceutical Tablet Formulations . Biomed. Chromatogr. , 13 : 24 – 26 .
   PubMed Web of Science ®Google Scholar
• Kim , Y.O. , Chung , H.J. , Chung , S.T. , Kim , J.H. , Park , J.H. , Han , S.Y. , Kil , K.S. and Cho , D.H. 1999 . Determination of Melatonin in Biological Samples by Capillary Electrophoresis . J. Chromatogr. A , 850 : 369 – 374 .
   PubMed Web of Science ®Google Scholar
• Costantini , A. and Paoli , F. 1998 . Melatonin Quantitative Analysis in Pharmaceutical Oral Dosage Forms Using Thin-Layer Chromatography (TLC) Densitometry . Farmaco. , 53 : 443 – 447 .
   Google Scholar
• Radi , A. and Bekhiet , G.E. 1998 . Voltammetry of Melatonin at Carbon Electrodes and Determination in Capsules . Bioelectrochem. Bioenerg. , 45 : 275 – 279 .
   Web of Science ®Google Scholar
• Süzen , S. , Atesş-Alagöz , Z. , Demircigil , B.T. and Özkan , S.A. 2001 . Synthesis and Analytical Evaluation by Voltammetric Studies of Some New Indole-3-Propionamide Derivatives . Farmaco. , 56 : 835 – 840 .
   PubMedGoogle Scholar
• Perez , R.F. , Lemus , I.G. , Bocic , R.V. , Perez , M.V. and Garcia-Madrid , R. 2001 . Validation of a UV Spectrophotometric Method for the Determination of Melatonin in Solid Dosage Forms . J. AOAC Int. , 84 : 1352 – 1357 .
   PubMed Web of Science ®Google Scholar
• Galian , R.E. , Veglia , A.V. and de Rossi , R.H. 2000 . Hydroxypropyl-beta-cyclodextrin Enhanced Fluorimetric Method for the Determination of Melatonin and 5-Methoxytryptamine . Analyst , 125 : 1465 – 1470 .
   PubMed Web of Science ®Google Scholar
• Dinç , E. , Kökdil , G. and Onur , F. 2000 . A Comparison of Matrix Resolution Method, Ratio Spectra Derivative Spectrophotometry and HPLC Method for the Determination of Thiamine HCl and Pyridoxine HCl in Pharmaceutical Preparation . J. Pharm. Biomed. Anal. , 22 : 915 – 923 .
   PubMed Web of Science ®Google Scholar
• Moreno , P. and Salvado , V. 2000 . Determination of Eigth Water- and Fat-Soluble Vitamins in Multi-Vitamin Pharmaceutical Formulations by High-Performance Liquid Chromatography . J. Chromatogr. A , 870 : 207 – 215 .
   PubMed Web of Science ®Google Scholar
• Agrekar , A.P. and Sawant , J.G. 1999 . Simultaneous Determination of Pyridoxine Hydrochloride and Doxylamine Succinate from Tablets by Ion Pair Reversed-Phase High-Performance Liquid Chromatography (RP-HPLC) Drug Dev . Ind. Pharm. , 25 : 945 – 950 .
   Google Scholar
• Hou , W. and Wang , E. 1990 . Determination of Water-Soluble Vitamins by Liquid Chromatography with a Parallel Dual-Electrode Electrochemical Detector . Talanta , 37 : 841 – 844 .
   PubMed Web of Science ®Google Scholar
• Halvatzis , S.A. and Timotheou-Potimia , M. 1989 . Kinetic-Potentiometric Determination of Ascorbic Acid, Biotin, Pyridoxine Hydrochloride, and Thiamine Hydrochloride with N-Bromosuccinimide . Anal. Chim. Acta , 227 : 405 – 419 .
   Web of Science ®Google Scholar
• Alwarthan , A.A. and Aly , F.A. 1998 . Chemiluminescent Determination of Pyridoxine Hydrochloride in Pharmaceutical Samples Using Flow Injection . Talanta , 45 : 1131 – 1138 .
   PubMed Web of Science ®Google Scholar
• Nirmalchandar , V. and Balasubramanian , N. 1988 . Spectrophotometric Determination of Pyridoxine Hydrochloride in Pharmaceutical Samples . Analyst , 113 : 1097 – 1099 .
   PubMed Web of Science ®Google Scholar
• Surmenian , M. 1998 . Simultaneous Determination of Ascorbic Acid. Pyridoxine Hydrochloride and Tyrosine by Derivative UV Spectrophotometry . Drug Dev. Ind. Pharm. , 24 : 691 – 696 .
   PubMed Web of Science ®Google Scholar
• Srividya , K. and Balasubramanian , N. 1997 . Spectrophotometric Determination of Pyridoxine Hydrochloride Pharmaceutical Preparations and Foods . J. AOAC Int. , 80 : 1368 – 1373 .
   PubMed Web of Science ®Google Scholar
• Chen , G. , Ding , X. , Cao , Z. and Ye , J. 2000 . Determination of Melatonin and Pyridoxine in Pharmaceutical Preparations for Health-Caring Purposes by Capillary Electrophoresis with Electrochemical Detection . Anal. Chim. Acta , 408 : 249 – 256 .
   Web of Science ®Google Scholar
• Abdine , H.H. , Gazy , A.A. and Abdel-Hay , M.H. 1998 . Simultaneous Determination of Melatonin-Pyridoxine Combination in Tablets by Zero-Crossing Derivative Spectrophotometry and Spectrofluorimetry . J. Pharm. Biomed. Anal. , 17 : 379 – 386 .
   PubMed Web of Science ®Google Scholar
• Surmenian , M. and Aboul-Enein , H.Y. 1998 . Simultaneous Determination of Pyridoxine and Melatonin in Tablet Formulation by Derivative Ultraviolet Spectroscopy . Anal. Lett. , 31 : 1731 – 1741 .
   Web of Science ®Google Scholar
• Uslu , B. , Demircigil , B.T. , Özkan , S.A. , Şentürk , Z. and Aboul-Enein , H.Y. 2001 . Simultaneous Determination of Melatonin and Pyridoxine in Tablet Formulations by Differential Pulse Voltammetry . Pharmazie , 56 : 938 – 942 .
   PubMed Web of Science ®Google Scholar
• Uslu , B. and Özkan , S.A. 2002 . Determination of Binary Mixtures of Levodopa and Benserazide in Pharmaceuticals by Ratio-Spectra Derivative Spectrophotometry . Anal. Lett. , 35 : 303 – 314 .
   Web of Science ®Google Scholar
• Uslu , B. and Özkan , S.A. 2002 . Determination of Lamivudine and Zidovudine in Binary Mixture Using First Derivative Spectrophotometric, First Derivative of the Ratio Spectra, and HPLC-UV Methods . Anal. Chim. Acta , 466 : 175 – 185 .
   Web of Science ®Google Scholar
• Bebawy , L.I. 2002 . Application of TLC-Densitometry, First Derivative UV-Spectrophotometry, and Ratio Derivative Spectrophotometry for the Determination of Dorzolamide Hydrochloride and Timolol Maleate . J. Pharm. Biomed. Anal. , 27 : 737 – 746 .
   PubMed Web of Science ®Google Scholar
• El-Gindy , A. , El Walily , A.F.M. and Bedair , M.F. 2000 . First-Derivative Spectrophotometric and LC Determination of Cefuroxime and Cefadroxil in Urine . J. Pharm. Biomed. Anal. , 23 : 341 – 352 .
   PubMed Web of Science ®Google Scholar
• Salinas , F. , Berzas-Nevado , J.J. and Espinosa Mansilla , A. 1990 . A New Spectrophotometric Method for Quantitative Multicomponent Analysis. Resolution of Mixtures of Salicylic and Salicyluric Acids . Talanta , 37 : 341 – 351 .
   PubMed Web of Science ®Google Scholar
• Berzas-Nevado , J.J. , Guiberteau Cabanillas , C. and Salinas , F. 1992 . Spectrophotometric Resolution of Ternary Mixtures of Salicylaldehyde, 3-Hydroxybenzaldehyde and 4-Hydroxybenzaldehyde by the Derivative Ratio Spectrum–-Zero Crossing Method . Talanta , 39 : 547 – 553 .
   PubMed Web of Science ®Google Scholar
• Berzas-Nevado , J.J. , Guiberteau Cabanillas , C. and Lopez Salinas , F. 1990 . Resolution of the Binary Mixture of Salicylaldehyde and 4-Hydroxybenzaldehyde by Using First Derivative Ratio Spectra . Anal. Lett. , 23 : 2077 – 2094 .
   Web of Science ®Google Scholar
• Corbella Tena , R. , Rodriquez Delgado , M.A. , Sanchez , M.J. and Garcia Montelongo , F. 1997 . Comparative Study of the Zero-Crossing, Ratio Spectra Derivative and Partial Least-Squares Methods Applied to the Simultaneous Determination of Atrazine and Its Degradation Product Desethylatrazin-2-Hydroxy in Ground Water . Talanta , 44 : 673 – 683 .
   PubMed Web of Science ®Google Scholar
• Morelli , B. 1994 . Simultaneous Determination of Ceftriaxone and Streptomycin in Mixture by Ratio-Spectra 2nd Derivative and Zero-Crossing 3rd Derivative Spectrophotometry . Talanta , 41 : 673 – 683 .
   PubMed Web of Science ®Google Scholar