Photochemical micro-digestion in a multi-pumping flow system for phosphorus fractionation in cereals

Microchemical Journal

Volumn 109, Issue , 2013, Pages 139-144

  Rocha, Diogo L ^a   Rocha, Fábio R P ^a  

^a UNIVERSITY OF SÃO PAULO   (Brazil)

Author keywords

Cereals; Fractionation; Multi pumping; Multicommutation; Phosphorus; Photo conversion

Indexed keywords

EID: 84876081154     PISSN: 0026265X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.microc.2012.03.012     Document Type: Article

References (29)

1. Oliveira E. Sample preparation for atomic spectroscopy: evolution and future trends. J. Braz. Chem. Soc. 2003, 14:174-182.
2. Golimowski J., Golimowska K. UV-photooxidation as pretreatment step in inorganic analysis of environmental samples. Anal. Chim. Acta 1996, 325:111-133.
3. Burguera M., Burguera J.L. Microwave-assisted sample decomposition in flow analysis. Anal. Chim. Acta 1998, 366:63-80.
4. Karlberg B., Pacey G.E. Flow Injection Analysis: a Practical Guide 1989, Elsevier, Amsterdam.
5. Rocha F.R.P., Reis B.F., Zagatto E.A.G., Lima J.L.F.C., Lapa R.A.S., Santos J.L.M. Multicommutation in flow analysis: concepts, applications and trends. Anal. Chim. Acta 2002, 468:119-131.
6. Lapa R.A.S., Lima J.L.F.C., Reis B.F., Santos J.L.M., Zagatto E.A.G. Multi-pumping in flow analysis: concepts, instrumentation, potentialities. Anal. Chim. Acta 2002, 466:125-132.
7. Pons C., Tóth I.V., Rangel A.O.S.S., Forteza R., Cerdá V. Multi-pumping flow system for the determination of dissolved phosphate and dissolved organic phosphorus in wastewater samples. Anal. Chim. Acta 2006, 572:148-154.
8. Introduction to Human Nutrition 2009, Wiley-Blackwell, London. M.J. Gibney, S.A.L. New, A. Cassidy, H.H. Vorster (Eds.).
9. Schachtman D.P., Reid R.J., Ayling S.M. Phosphorus uptake by plants: from soil to cell. Plant Physiol. 1998, 116:447-453.
10. Estela J.M., Cerdá V. Flow analysis techniques for phosphorus: an overview. Talanta 2005, 66:307-331.
11. Hogue E., Wilcox G.E., Cantiliffe D.J. Effect of soil phosphorus levels on phosphate fractions in tomato leaves. J. Am. Soc. Hortic. Sci. 1970, 95:174-176.
12. Maruchi A.K., Rocha F.R.P. An improved procedure for phosphorus fractionation in plant materials exploiting sample preparation and monossegmented flow analysis. Microchem. J. 2006, 82:207-213.
13. Official Methods of Analysis of AOAC international 2000, AOAC International, Gaithesburg. W. Horwitz (Ed.).
14. Carneiro J.M.T., Zagatto E.A.G., Santos J.L.M., Lima J.L.F.C. Spectrophotometric determination of phytic acid in plant extracts using a multi-pumping flow system. Anal. Chim. Acta 2002, 474:161-166.
15. Lehrfeld J., Morris E.R. Overestimation of phytic acid in foods by the AOAC anion-exchange method. J. Agric. Food Chem. 1992, 40:2208-2210.
16. Vieira E.C., Nogueira A.R.A. Orthophosphate, phytate and total phosphorus determination in cereals by flow injection analysis. J. Agric. Food Chem. 2004, 52:1800-1803.
17. Parra A., Ramon M., Alonso J., Lemos S.G., Vieira E.C., Nogueira A.R.A. Flow injection potentiometric system for the simultaneous determination of inositol phosphates and phosphate: phosphorus nutritional evaluation on seeds and grains. J. Agric. Food Chem. 2005, 53:7644-7648.
18. Benson R.L., McKelvie I.D., Hart B.T., Truong Y.B., Hamilton I.C. Determination of total phosphorus in waters and wastewaters by on-line UV/thermal induced digestion and flow injection analysis. Anal. Chim. Acta 1996, 326:29-39.
19. Ruiz T.M., Lozano C.M., Tomás V., Martín J. Flow injection spectrofluorimetric determination of dissolved inorganic and organic phosphorus in waters using on-line photo-oxidation. Anal. Chim. Acta 2001, 442:147-153.
20. Higuchi K., Tamanouchi H., Motomizu S. On-line photo-oxidative decomposition of phosphorus compounds to orthophosphate and its application to flow injection spectrophotometric determinations of total phosphorus in river and waste waters. Anal. Sci. 1998, 14:941-946.
21. Christian G.D. Analytical Chemistry 2003, JohnWiley and Sons, Hoboken.
22. Food phytates 2001, CRC Press, Boca Raton. N.R. Reddy, S.K. Sathe (Eds.).
23. Worsfold P.J., Gimbert L.J., Mankasingh U., Omaka O.N., Hanrahan G., Gardolinsk P.C.F.C., Haygarth P.M., Turner B.L., Roach M.J.K., McKelvie I.D. Sampling, sample treatment and quality assurance issues for the determination of phosphorus species in natural waters and soils. Talanta 2005, 66:273-293.
24. Harris D.C. Quantitative Chemical Analysis 2007, W.H. Freeman, New York.
25. TurD́yan Y.I., Kohen R. Formal redox potentials of the dehydro-l-ascorbic/l-ascorbic acid system. J. Electroanal. Chem. 1995, 380:273-277.
26. Maher W., Woo L. Procedures for the storage and digestion of natural waters for the determination of filterable reactive phosphorus, total filterable phosphorus and total phosphorus. Anal. Chim. Acta 1998, 375:5-47.
27. Material Safety Data Sheet (MSDS), phytase enzyme available at, accessed in November, 2011. http://www.sigmaaldrich.com.
28. Corin N., Backlund P., Kulovaara M. Degradation products formed during UV-irradiation of humic waters. Chemosphere 1996, 33:245-255.
29. Naffrechoux E., Chanoux S., Petrier C., Suptil J. Sonochemical and photochemical oxidation of organic matter. Ultrason. Sonochem. 2000, 7:255-259.