Application of (31)P NMR spectroscopy in food analysis. 1. Quantitative determination of the mono- and diglyceride composition of olive oils
This paper introduces a facile method to determine the amount of mono- and diglycerides in virgin olive oils. This method is based on the phosphorylation of the free hydroxyls of the mono- and diglycerides with 2-chloro-4,4,5,5-tetramethyldioxaphospholane and the integration of the appropriate peaks...
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| Veröffentlicht in: | Journal of agricultural and food chemistry 2000-03, Vol.48 (3), p.802-805 |
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| container_end_page | 805 |
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| container_title | Journal of agricultural and food chemistry |
| container_volume | 48 |
| creator | Spyros, A Dais, P |
| description | This paper introduces a facile method to determine the amount of mono- and diglycerides in virgin olive oils. This method is based on the phosphorylation of the free hydroxyls of the mono- and diglycerides with 2-chloro-4,4,5,5-tetramethyldioxaphospholane and the integration of the appropriate peaks in the (31)P NMR spectrum. Quantitative (31)P NMR spectroscopy can be extended to the quantification of other constituents of olive oils bearing functional groups with labile protons. |
| doi_str_mv | 10.1021/jf9910990 |
| format | Article |
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Quantitative determination of the mono- and diglyceride composition of olive oils</title><title>Journal of agricultural and food chemistry</title><addtitle>J Agric Food Chem</addtitle><description>This paper introduces a facile method to determine the amount of mono- and diglycerides in virgin olive oils. This method is based on the phosphorylation of the free hydroxyls of the mono- and diglycerides with 2-chloro-4,4,5,5-tetramethyldioxaphospholane and the integration of the appropriate peaks in the (31)P NMR spectrum. 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| ispartof | Journal of agricultural and food chemistry, 2000-03, Vol.48 (3), p.802-805 |
| issn | 0021-8561 |
| language | eng |
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| source | MEDLINE; ACS Publications |
| subjects | Dietary Fats, Unsaturated - analysis Diglycerides - analysis Food Analysis - methods Glycerides - analysis Humans Magnetic Resonance Spectroscopy Olive Oil Phosphorus Isotopes Plant Oils - analysis |
| title | Application of (31)P NMR spectroscopy in food analysis. 1. Quantitative determination of the mono- and diglyceride composition of olive oils |
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