Precise and rapid isotopomic analysis by (1)H-(13)C 2D NMR: Application to triacylglycerol matrices
An optimized HSQC sequence was tested and applied to triacylglycerol matrices to determine their isotopic and metabolomic profiles. Spectral aliasing and non-uniform sampling approaches were used to decrease the experimental time and to improve the resolution, respectively. An excellent long-term re...
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| Veröffentlicht in: | Talanta (Oxford) 2016-08, Vol.156-157, p.239-244 |
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| container_title | Talanta (Oxford) |
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| creator | Merchak, Noelle Silvestre, Virginie Rouger, Laetitia Giraudeau, Patrick Rizk, Toufic Bejjani, Joseph Akoka, Serge |
| description | An optimized HSQC sequence was tested and applied to triacylglycerol matrices to determine their isotopic and metabolomic profiles. Spectral aliasing and non-uniform sampling approaches were used to decrease the experimental time and to improve the resolution, respectively. An excellent long-term repeatability of signal integrals was achieved enabling to perform isotopic measurements. Thirty-two commercial vegetable oils were analyzed by this methodology. The results show that this method can be used to classify oil samples according to their geographical and botanical origins. |
| doi_str_mv | 10.1016/j.talanta.2016.05.031 |
| format | Article |
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Spectral aliasing and non-uniform sampling approaches were used to decrease the experimental time and to improve the resolution, respectively. An excellent long-term repeatability of signal integrals was achieved enabling to perform isotopic measurements. Thirty-two commercial vegetable oils were analyzed by this methodology. 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| fulltext | fulltext |
| identifier | EISSN: 1873-3573 |
| ispartof | Talanta (Oxford), 2016-08, Vol.156-157, p.239-244 |
| issn | 1873-3573 |
| language | eng |
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| source | MEDLINE; Access via ScienceDirect (Elsevier) |
| subjects | Carbon-13 Magnetic Resonance Spectroscopy - economics Carbon-13 Magnetic Resonance Spectroscopy - methods Plant Oils - analysis Plant Oils - classification Time Factors Triglycerides - chemistry Vegetables - chemistry |
| title | Precise and rapid isotopomic analysis by (1)H-(13)C 2D NMR: Application to triacylglycerol matrices |
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