Solid state molecular motion in sucrose octapalmitate as studied by deuterium NMR spectroscopy

Authors
Buchanan, GW McManus, G Jarrell, HC
Citation
Gw. Buchanan et al., Solid state molecular motion in sucrose octapalmitate as studied by deuterium NMR spectroscopy, CHEM PHYS L, 104(1), 2000, pp. 23-34
Citations number
30
Categorie Soggetti
Biochemistry & Biophysics
Journal title
CHEMISTRY AND PHYSICS OF LIPIDS
ISSN journal
00093084 → ACNP
Volume
104
Issue
1
Year of publication
2000
Pages
23 - 34
Database
ISI
SICI code
0009-3084(200001)104:1<23:SSMMIS>2.0.ZU;2-X
Abstract
Sucrose octapalmitate-d(11), d(24) and d(248) have been synthesized. Using H-2 NMR T-1 and analyses of the temperature dependence of the lineshapes, a detailed description of the solid state molecular motional modes is presen ted. Activation energies for methyl and methylene group rotation in the fat ty acyl chains have been determined. The sucrose moiety is found to be stat ic on the solid state deuterium NMR timescale. (C) 2000 Elsevier Science Ir eland Ltd. All rights reserved.