Determination of vitamin K1 in emulsified nutritional supplements by solid-phase extraction and high-performance liquid chromatography with postcolumn reduction on a platinum catalyst and fluorescece detection

Journal of Chromatography A

Volumn 881, Issue 1-2, 2000, Pages 261-266

  Iwase, Hiroshi ^a  

^a AJINOMOTO CO INC   (Japan)

Author keywords

Food analysis; Vitamins

Indexed keywords

PHYTOMENADIONE; PLATINUM; VITAMIN; EDETIC ACID; SODIUM SULFATE; SULFATE;

ARTICLE; CALIBRATION; CATALYST; CONCENTRATION (PARAMETERS); FLUORESCENCE ANALYSIS; FOOD ANALYSIS; HIGH PERFORMANCE LIQUID CHROMATOGRAPHY; NUTRITIONAL SUPPORT; PRIORITY JOURNAL; REDUCTION; SIGNAL NOISE RATIO; SOLID PHASE EXTRACTION; CATALYSIS; CHEMISTRY; DIET SUPPLEMENTATION; EMULSION; METHODOLOGY; PH; SPECTROFLUOROMETRY;

CATALYSIS; CHROMATOGRAPHY, HIGH PRESSURE LIQUID; DIETARY SUPPLEMENTS; EDETIC ACID; EMULSIONS; HYDROGEN-ION CONCENTRATION; PLATINUM; SPECTROMETRY, FLUORESCENCE; SULFATES; VITAMIN K 1;

EID: 0034625180     PISSN: 00219673     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0021-9673(00)00438-6     Document Type: Article

References (12)

1. N. Simpson, K.C. Van Horne (Eds.), Sorbent Extraction Technology, Varian Sample Preparation Product, 2nd Edition, Harbor City, CA, 1993.
2. Lucock M., Hartley R., Wild N.J. J. Liquid Chromatogr. 10:1987;191.
3. Shino M. Analyst. 113:1988;393.
4. Kirk E., Fell A.F. Clin. Chem. 35:1989;1288.
5. Hirauchi K., Sakano T., Notsumoto S., et al. J. Chromatogr. 497:1989;131.
6. Booth S.L., Davidson K.W., Sadowwski J.A. J. Agric. Food Chem. 42:1994;295.
7. De Leenheer A.P., Lambert W.E., Nelis H.J. Modern Chromatographic Analysis of Vitamins. 2nd Edition :1992;197 Marcel Dekker, New York.
8. The Pharmacopeia of Japan, Hirokawa Publishing, Tokyo, 12th ed., 1996, p. C-233.
9. Iwase H., Ono I. J. Chromatogr. A. 771:1997;127.
10. Wakabayashi H., Nakajima M., Yamato S., Schimada K. J. Chromatogr. 573:1992;154.
11. Iwase H. J. Chromatogr. 590:1992;187.
12. Iwase H. J. Chromatogr. 609:1992;399.