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2006 | 109 | 3 | 359-364
Article title

Investigation of Starch Hydration by 2D Time Domain NMR

Content
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Languages of publication
EN
Abstracts
EN
Proton exchange between spin groups of the solid matrix of hydrated granular potato starch and water was studied using the 2D time domain NMR. The proton spin-spin relaxation time T_2, and spin-lattice relaxation time T_1 (selective and non-selective pulse sequences) were measured at room temperature. The observed spin relaxation results were analysed for exchange assuming a two-site exchange model (between water and solid matrix of starch). In this analysis we determined the intrinsic spin-lattice relaxation time for water protons (49 ms) and solid starch matrix protons (172 ms), as well as the water-starch magnetization exchange rate (86 s^{-1}).
Keywords
EN
Publisher

Year
Volume
109
Issue
3
Pages
359-364
Physical description
Dates
published
2006-03
received
2005-05-20
Contributors
author
  • Institute of Physics, Jagiellonian University, Reymonta 4, 30-059 Kraków, Poland
author
  • Department of Physics, University of Waterloo, 200 University Avenue West, Waterloo, Ontario, Canada N2L 3G1
author
  • Agriculture Academy, al. Mickiewicza 21, 31-120 Kraków, Poland
author
  • Institute of Physics, Jagiellonian University, Reymonta 4, 30-059 Kraków, Poland
References
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  • 3. A.M. Donald, T.A. Waigh, P.J. Jenkins, M.J. Gidley, M. Debet, A. Smith, in: Starch: Structure and Functionality, Eds. P.J. Frazier, A.M. Donald, P. Richmond, Royal Society of Chemistry, Cambridge (UK) 1997, p. 172
  • 4. J. Szymońska, F. Krok, Inter. J. Biol. Macromol., 33, 1, 2003
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  • 6. D. Le Boltan, Y. Rugraff, C. Martin, P. Colonna, Carbohydr. Res., 308, 29, 1998
  • 7. H.T. Edzes, E.T. Samulski, J. Magn. Reson., 31, 207, 1978
  • 8. D.A. Oleskevich, N. Ghahramany, W.P. Weglarz, H. Peemoeller, J. Magn. Reson. B, 113, 1, 1996
  • 9. H. Harańczyk, in: On Water in Extremely Dry Biological Systems, Wydawnictwo Uniwersytetu Jagiellońskiego, Kraków 2003, p. 91
  • 10. W. Derbyshire, M. van den Bosch, D. van Dusschoten, W. MacNaughtan, I.A. Farhat, M.A. Hemminga, J.R. Mitchell, J. Magn. Reson., 168, 278, 2004
Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv109n316kz
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