References
- Lambert, W.E. and Leenheer, A.D. Quantitative determination of water soluble vitamins using HPLC. pp. 341. In: Food Analysis by HPLC. Nollet, L.M.L. (ed.). Marcel Dekker Inc, New York, USA (1992)
- Ang, C.Y. and Mosley, F.A. Determination of thiamin and ribofla- vin in meat products by high-pressure liquid chromatography. J.Agric. Food Chem. 28: 483-486 (1980) https://doi.org/10.1021/jf60229a031
- Augustin, J. Simultaneous determlnation of thiamine and ribofla-vin in foods by liquid chromatography. J. A.O.A.C. 67: 1012-1015(1984)
- Fellman, J.K., Artz, W.E., Tassinari, P.D., Cole, C.L. and Augus-tin, J. Simultaneous determination of thiamin and riboflavin in selected foods by high-performance liquid chromatography. J.Food Sci. 47: 2048-2067 (1982) https://doi.org/10.1111/j.1365-2621.1982.tb12942.x
- Van de Weerdhof, T., Wiersum, M.L. and Reissenweber, H.Application of liquid chromatography in food analysis. J. Chro-matogr. 83: 455-460 (1973) https://doi.org/10.1016/S0021-9673(00)97062-6
- Ayi, B.K., Yuhas, D.A., Moffet, K.S., Joyce, D.M. and Deangelis,N.J. Liquid chromatographic determination of thiamin in infant fomula products by using ultraviolet detection. J. A.O.A.C. 68(6):1087-1092(1985)
- Wimalasiri, P. and Wills, R.B.H. Simultaneous analysis of thiamin and riboflavin in foods by high performance liquid chromatogra-phy. J. Chromatogr. 318: 412-416 (1985) https://doi.org/10.1016/S0021-9673(01)90708-3
- Hilker, D.M. and Clifford, A.J. Thiamin analysis and separation of thiamin phosphate esters by high-performance liquid chroma-tography. J. Chromatogr.231: 433-438 (1982) https://doi.org/10.1016/S0378-4347(00)81868-X
- De Leenheer, A.P., Lambert, W.E. and De Ruyter, M.G. Modern Chromatographic Analysis of Vitamins. Marcel Dekker, New York. (1985)
- Van Nieker, P.J. HPLC in food analysis, pp. 133. MaCrae, R. (Ed.), Academic Press, New York (1988)
- Yasumoto, K. Tadera, K., Tsuji, H. and Mitsuda, H. Semi-auto-mated system for analysis of vitamin B6 complex by ionexchange column chromatography. J. Nutr. Sci. Vitamol. 21: 117-127 (1975) https://doi.org/10.3177/jnsv.21.117
- Wong, F.F. Analysis of vitamin B6 in extractives of food materi-als by high-performance liquid chromatography. J. Agric. Food Chem. 26: 1444-1446 (1978) https://doi.org/10.1021/jf60220a044
- Gregory, J.F. and Kirk, J.R. Assessment of storage effects on vita-min B6 stability and bioavailability in dehydrated food systems.J. Food Sci. 43: 1801-1808 (1978) https://doi.org/10.1111/j.1365-2621.1978.tb07418.x
- Vanderslice, J.T., Brownlee, S.R. and Cortissoz, M.E. Liquid chromatographic determination of vivamin B6 in foods. J.A.O.A.C.67:999-1007(1984)
- Osborne, D.R. and Voogt, P. The Analysis of Nntrients in Food. Academic Press, New York, USA (1978)
- Hoppner, K. and Lampi, B. The determination of folic acid (pteroylmonoglutamic acid) in fortified products by reversed phase high pressure liquid chromatography. J. Liquid Chromatogr.5: 953-966 (1982) https://doi.org/10.1080/01483918208060626
- Schiefer, G.W., Wheeler, G.P. and Cimino, C.M. Determination of folic acid in commercial diets by anion-exchange solid-phase extraction and subsequent reversed-phase HPLC. J. Liquid Chro-matogr. 7: 2659-2669 (1984) https://doi.org/10.1080/01483918408067033
- Clifford, C.K. and Clifford, A.J. High pressure liquid chromato-graphic analysis of food for folates J. A.O.A.C. 60: 1248-1251(1977)
- Gregory, J.F., Sartain, D.B. and Day, B.D. Fluorometric determi-nation of folacin in biological materials using high-performance liquid chromatography. J. Nutr. 114: 341-353 (1984) https://doi.org/10.1093/jn/114.2.341
- Holt, D.L., Wheling, R.L. and Zeece, M.G. Determination of native folates in milk and other diarary products by high perfor- mance liquid chromatography. J. Chromatogr. 449: 271-280 (1988) https://doi.org/10.1016/S0021-9673(00)94386-3
- Reingold, R.N. and Picciano, M.F. Two improved high-perfor-mance liquid chromatographic separation. J. Chromatogr. 234:171-179(1982) https://doi.org/10.1016/S0021-9673(00)81790-2
- Tyler, T.A. and Shrago, R.R. Determination of niacin in cereal samples by HPLC. J. Liquid Chromatogr. 3: 269-277(1980) https://doi.org/10.1080/01483918008060170
- Kral, K. Bestimmung von nicotins ure in fruchts ften durch HPLC mit elektrochemischer detektion an einer station renquecksilbertropfelektrode. Fresenius Z. Anal. Chem. 314: 479-482(1983) https://doi.org/10.1007/BF00481844
- Williams, R.C., Baker, D.R. and Schmit, J.A. Analysis of water soluble vitamins by high speed ion exchange chromatography. J.Chromatogr. Sci. 11: 618-624 (1973) https://doi.org/10.1093/chromsci/11.12.618
- Defibaugh, P.W. Evaluation of selected enzymes for thiamin determination, J. A.O.A.C. 70(3): 514-517 (1987)
- Kamman, J.K., Labuza, T.P. and Warthesen, J.J. Thiamin and riboflavin analysis by high performance liquid chromatography. J.Food Sci.45: 1497-1504(1980) https://doi.org/10.1111/j.1365-2621.1980.tb07548.x
- Ohta, H., Baba, T. and Suzuki, Y. High-performance liquid chromatographic analysis of thiamin in rice flour with fluorimetric post-column dervatization. J. Chromatogr. 284: 281-284 (1984) https://doi.org/10.1016/S0021-9673(01)87829-8
- A.O.A.C. Offcial Methods of Analysis. 16th ed. Association of Official Analytical Chemists, Washington, DC, USA (1995)
- Freed, M. Method of vitamin analysis. Interscience, New York, USA(1966)
- Dickey, L.E. Composition of foods, raw, Processed, Prepared, sup-plement, No. 8, p. 330. United States Department of Aghculture,Human nutridon information survice, Agriculture Handbook (1990)
- Coffen, D.L. Kirk-Othmer Encyclopedia of Chemical Technology.Wiley, New York, USA (1984)
- Friednch, W. Vitamins. Walter de Gruyter, New York, USA(1988)
- MacBride, D.E. and Wyatt, C.J. Evaluation of a method AOACdetermination for thiamine and riboflavin in foods. J. Food Sci.48: 748-750 (1983) https://doi.org/10.1111/j.1365-2621.1983.tb14889.x