1993
DOI: 10.1021/jf00032a016
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Quantitative high-resolution carbon-13 NMR analysis of lipids extracted from the white muscle of Atlantic tuna (Thunnus alalunga)

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Cited by 70 publications
(66 citation statements)
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“…34 Exponential multiplication (line broadening of 5 Hz) was applied to enhance sensitivity. 34,37 In the 13 C-NMR spectra of EAS and ECS the integral for the glucopyranosyl carbon-1 (CH-1, at ϳ90 ppm) was set at 100, and was used as a standard to compare the integrals of other resonances. The following equation was used to calculate the average number of epoxy groups per sucrose from the 13 …”
Section: C-nmr Spectrometrymentioning
confidence: 99%
“…34 Exponential multiplication (line broadening of 5 Hz) was applied to enhance sensitivity. 34,37 In the 13 C-NMR spectra of EAS and ECS the integral for the glucopyranosyl carbon-1 (CH-1, at ϳ90 ppm) was set at 100, and was used as a standard to compare the integrals of other resonances. The following equation was used to calculate the average number of epoxy groups per sucrose from the 13 …”
Section: C-nmr Spectrometrymentioning
confidence: 99%
“…To obtain an NMR quantitative response for the different lipid classes, spectra were acquired under experimental conditions ensuring the complete recovery of each resonance used in quantitative measurements (Sacchi et a/ 1993b). Values of the "C spin-lattice relaxation times ( Tl) were measured using the inversionrecovery (180-t-90) pulse sequence (Freeman 1988).…”
Section: Quantitative Nmr Analysismentioning
confidence: 99%
“…Based on these values, the acquisition parameters (PW 45", AT 0-37 s, RD 2 s) were set up in order to obtain the maximum number of scans min-' for the enhancement of the signal to noise ratio. Although the acquisition conditions are not those theoretically needed for quantitative measurements (Gillet and Delpuech 1980), the NMR accuracy in the determination of molecular species (ie FFA) was verified by comparing the NMR-derived data with those obtained by independent analytical methods (Sacchi et al 1993b).…”
Section: Quantitative Nmr Analysismentioning
confidence: 99%
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