13C-Nuclear magnetic resonance spectroscopic studies of triacylglycerols of type AAA containing (Z)- and (E)-monoethylenic acyl groups
โ Scribed by Marcel S.F Lie Ken Jie; C.C Lam
- Book ID
- 107740360
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 836 KB
- Volume
- 78
- Category
- Article
- ISSN
- 0009-3084
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The ~-~C-NMR spectroscopic properties of eight triacylglycerols of type AAA containing polyunsaturated fatty acids, viz. 18:2(9Z,12Z) 18:2(9Z,12E), 18:2(9E,12Z) 18:2(9E,12E), 18:2(SE,12Z) 18:3(9Z,12Z,15Z) 20:3(5Z, I IZ,14Z) and 20:4(5Z, I1Z,14Z,17Z), have been studied. From the carbon shift values o
29Si and 13C spin-lattice relaxation times and the corresponding nuclear Overhauser enhancements have been measured for Ph,SiH,\_, (n = 1,2, 3), for Ph,SiHMe and for Ph,SiCl, . Thence dipolar and other contributions to the relaxation rates have been separated. The dipolar rates are used to discuss i