Concentration dependence of 13C NMR spectra of triglycerides: implications for the NMR analysis of olive oils
β Scribed by Luisa Mannina; Claudio Luchinat; Maurizio Patumi; Maria Carmela Emanuele; Enrico Rossi; Annalaura Segre
- Publisher
- John Wiley and Sons
- Year
- 2000
- Tongue
- English
- Weight
- 698 KB
- Volume
- 38
- Category
- Article
- ISSN
- 0749-1581
No coin nor oath required. For personal study only.
π SIMILAR VOLUMES
High-resolution 13C NMR spectroscopy was used to study the potential of the method for the quantitative analysis of the most abundant fatty acids in the triacylglycerols of virgin olive oil samples harvested at di β erent geographic areas of Greece. The analysis of the results was compared with data
The polarization transfer method DEPT (distortionless enhancement by polarization transfer) was employed to set up a quantitative method to detect olive oil adulteration by seed oils, in particular soybean oil. The DEPT pulse sequence promotes the transfer of polarization from "concentrate spins = 1
## Abstract Nuclear magnetic resonance (NMR) spectroscopy is applied to measure the highβfield (500 MHz) ^13^C spectra at natural abundance in olive oil samples in order to ascertain the suitability of NMR for discriminating oils from different Italian geographical areas of production and, in parti
A method of comparing predicted and experimental chemical shifts was used to confirm or refute postulated structures. 1H NMR spectra returned all true positives with a false positive rate of 4%. When an analogous procedure was adopted for 13C NMR spectra, the false positive rate dropped to 1%, where